| Iridoviruses | Ecology of baculoviruses | Virus insecticides | Spinosad | Mosquitoes blackflies & ticks | Predators, parasitoids, pathogens | Flies of agricultural importance | Students |  | |||
Publication list (back to Trevor Williams homepage) | |||||||||||
| Iridoviruses | |||||||||||
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Williams, T. & Cory, J.S. (1993) DNA restriction fragment polymorphism in iridovirus isolates from individual blackflies (Diptera: Simuliidae). Medical & Veterinary Entomology 7, 199-201. |
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Williams, T. (1993) Covert iridovirus infection of blackfly larvae. Proceedings of the Royal Society B: Biological Sciences 251, 225-230. |
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Williams, T. & Cory, J.S. (1994) Proposals for a new classification of iridescent viruses. Journal of General Virology 75, 1291-1301. |
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Williams, T. (1994) Comparative studies of iridoviruses: further support for a new classification. Virus Research 33, 99-121. |
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Hemsley, A.R., Collinson, M.E., Kovach, W.L., Vincent, B. & Williams, T. (1994) The role of self-assembly in biological systems: Evidence from iridescent colloidal sporopollenin in Selaginella megaspore walls. Philosophical Transactions of the Royal Society B: Biological Sciences 345, 163-173. |
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Williams, T. & Thompson, I.P. (1995) Fatty acid profiles of iridescent viruses. Archives of Virology 140, 975-981. |
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Williams, T. (1995) Patterns of covert infection by invertebrate pathogens: iridescent viruses of blackflies. Molecular Ecology 4, 447-457. |
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Williams, T. (1996) The iridoviruses. Advances in Virus Research 46, 345-412. |
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Williams, T. (1998) Invertebrate iridescent viruses. In: The Insect Viruses (Eds. Miller, L.K. & Ball, L.A.) pp. 31-68, Plenum Press, New York. |
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Marina, C.F., Arredondo-Jiménez, J.I., Castillo, A. & Williams, T. (1999) Sublethal effects of iridovirus disease in a mosquito. Oecologia 119, 383-388. |
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Marina, C., Feliciano, J.M., Valle, J. & Williams, T. (2000) Effect of temperature, pH, ion concentration and chloroform treatment on the stability of Invertebrate iridescent virus 6. Journal of Invertebrate Pathology 75, 91-94. |
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Williams, T., Chinchar, V.G., Darai, G., Hyatt, A., Kalmakoff, J. & Seligy, V. (2000) Iridoviridae. In: Virus Taxonomy, 7th Report of the International Committee on Virus Taxonomy (ed. M.H.V. van Regenmortel, C.M. Fauquet, D.H.L. Bishop, E.B. Carstens, M.K. Estes, S.M. Lemon, J. Maniloff, M.A. Mayo, D.J. McGeoch, C.R. Pringle & R.B. Wickner), Academic Press, New York, pp. 167-182. |
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Hernández, O., Maldonado, G. & Williams, T. (2000) An epizootic of patent iridescent virus disease in multiple species of blackflies in Chiapas, Mexico. Medical & Veterinary Entomology 14, 458-462. |
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Constantino, M., Christian, P., Marina, C.F. & Williams, T. (2001) A comparison of techniques for detecting Invertebrate iridescent virus 6. Journal of Virological Methods 98, 109-118. |
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López, M., Rojas, J.C., Vandame, R. & Williams, T. (2002) Parasitoid-mediated transmission of an iridescent virus. Journal of Invertebrate Pathology 80, 160-170. |
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Martínez, G., Christian, P., Marina C.F. & Williams, T. (2003) Sensitivity of Invertebrate iridescent virus 6 to organic solvents, detergents, enzymes and temperature treatment. Virus Research 91, 249-254. |
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Marina, C.F., Ibarra, J.E., Arredondo-Jiménez, J.I., Fernández-Salas, I., Liedo, P. & Williams, T. (2003) Adverse effects of covert iridovirus infection on life history and demographic parameters of Aedes aegypti. Entomologia Experimentalis et Applicata 106, 53-61. |
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Jakob, N., Darai, G. & Williams, T. (2002) Genus Iridovirus. In: The Springer Index of Viruses (eds. C. Tidona & G. Darai), Springer-Verlag, Austria. (ISBN: 3-540-67167-6). |
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Marina, C.F., Ibarra, J.E., Arredondo-Jiménez, J.I., Fernández-Salas, I., Valle, J. & Williams, T. (2003) Sublethal iridovirus disease of the mosquito Aedes aegypti is due to viral replication not cytotoxicity. Medical & Veterinary Entomology 17, 187-194. |
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Marina, C.F., Arredondo-Jiménez, J.I., Ibarra, J.E., Fernández-Salas, I. & Williams, T. (2003) Effects of an optical brightener and an abrasive on iridescent virus infection and development of Aedes aegypti. Entomologia Experimentalis et Applicata 109, 155-161. |
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Reyes, A., Christian, P., Valle, J. & Williams, T. (2004) Persistence of Invertebrate iridescent virus 6 in soil. BioControl 49, 433-440. |
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Chinchar, V. G., Essbauer, S., He, J. G., Hyatt, A, Miyazaki, T., Seligy, V. & Williams, T. (2005). Iridoviridae. In: Virus Taxonomy: VIII Report of the International Committee on the Taxonomy of Viruses (C. M. Fauquet, M. A. Mayo, J. Maniloff, U. Desselberger, and L. A. Ball, Eds.), pp. 163-175. Elsevier, London (ISBN: 0122499514). |
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Marina, C.F., Fernández-Salas, I., Ibarra, J.E., Arredondo-Jiménez, J.I., Valle, J. & Williams, T. (2005) Transmission dynamics of an iridescent virus in an experimental mosquito population: the role of host density. Ecological Entomology 30, 376-382. |
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Hernández, A., Marina, C.F., Valle, J. & Williams, T. (2005) Persistence of Invertebrate iridescent virus 6 in artificial tropical aquatic environments. Archives of Virology 150, 2357-2363. |
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Williams, T., Barbosa-Solomieu, V. & Chinchar, V.G. (2005) A decade of advances in iridovirus research. Advances in Virus Research 65, 173-248. |
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Williams, T. & Hernández, O. (2006) Costs of cannibalism in the presence of an iridovirus pathogen of Spodoptera frugiperda. Ecological Entomology 31, 106-113. |
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Christian, P., Richards, A.R. & Williams, T. (2006) Differential adsorption of occluded and non-occluded insect pathogenic viruses to soil forming minerals. Applied & Environmental Microbiology 72, 4648-4652. |
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Williams, T. (2008) Iridoviruses of invertebrates. In: Encyclopedia of Virology (Third edition). B. W. J. Mahy & M. H. V. Van Regenmortel (Eds.), pp. 161-167, Elsevier, Oxford, UK. |
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Williams, T. (2008) Natural invertebrate hosts to iridoviruses (Iridoviridae). Neotropical Entomology 37, 615-632. |
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Chinchar, V.G., Hyatt, A., Miyazaki, T. & Williams, T. (2009) Iridoviridae: poor viral relations no longer. Current Topics in Microbiology and Immunology 328, 123-170. |
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Williams, T., Chitnis, N.S. & Bilimoria, S.L. (2009) Invertebrate iridovirus modulation of apoptosis. Virologica Sinica 24, 295-304. |
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Bromenshenk, J.J., Henderson, C.B., Wick, C.H., Stanford, M.F., Zulich, A.W., Jabbour, R.E., Deshpande, S.V., McCubbin, P.E., Seccomb, R.A., Williams, T., Firth, D.R., Skowronski, E., Lehmann, M.M., Bilimoria, S.L. Gress, J., Wanner, K.W. & Cramer Jr. R.A. (2010) Iridovirus and microsporidian linked to honey bee colony decline. PLoS ONE 5, e13181. |
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Williams, T. & Ward, V. (2010) Iridoviruses, pp. 123-152. In: Insect Virology, Assgari, S. & Johnson, K. (eds.) Caister Academic Press, UK. ISBN: 978-1-904455-71-4. |
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Jancovich, J.K., Chinchar, V.G., Hyatt, A., Miyazaki, T., Williams, T. & Zhang, Q.Y. (2012) Family Iridoviridae. pp. 193-210. In: Virus Taxonomy: Ninth Report of the International Committee on Taxonomy of Viruses. Eds. A.M.Q. King, M.J. Adams, E.B. Carstens, E.J. Lefkowitz. Elsevier, San Diego, CA. ISBN 978-0-12-384684-6. |
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Chinchar, V.G., Hick, P., Ince, I.A., Jancovich, J., Marschang, R., Qin, Q., Subramaniam, K., Waltzek, T.B., Whittington, R., Williams, T. & Zhang, Q.Y. (2017) ICTV Virus Taxonomy Profile: Iridoviridae. Journal of General Virology 98, 890-891. |
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McInnis, J.L., Williams, T., Chuang, Y.C., Gregg, D.A. (2020) Replication of Invertebrate iridescent virus 6 (IIV-6) in European honey bees - potential involvement in colony collapse disorder? Southwestern Entomologist 45, 335-340. |
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Murphy, C.A., Gerth, W., Neal, T., Antonelli, K., Sanders, J.L., Williams, T., Roennfeldt, R.L., Crowhurst, R.S. & Arismendi, I. (2023) Evidence for infection influencing survival of the freshwater copepod Salmincola californiensis, a parasite of Pacific salmon and trout. Journal of Aquatic Animal Health 35, 280-285. https://doi.org/10.1002/aah.10206 |
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Rodríguez-Heredia, B., Zamora-Briseño, J.A., Velasco, L., & Williams, T. (2026) Invertebrate iridescent viruses (Iridoviridae) from the fall armyworm, Spodoptera frugiperda. Viruses 18, 31. https://doi.org/10.3390/v18010031 |
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| Biology & ecology of baculoviruses | |||||||||||
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Goulson, D., Hails, R.S., Williams, T., Hirst, M.L., Vasconcelos, S.D., Green, B.M., Carty, T.M. & Cory, J.S. (1995) Transmission dynamics of a virus in a stage-structured insect population. Ecology 76, 392-401. |
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Vasconcelos, S.D., Williams, T., Hails, R.S. & Cory, J.S. (1996) Prey selection and baculovirus dissemination by carabid predators of Lepidoptera. Ecological Entomology 21, 98-104. |
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Richards, A., Cory, J., Speight, M. & Williams, T. (1999) Foraging in a pathogen reservoir can lead to local host population extinction: a case study of a Lepidoptera-virus interaction. Oecologia 118, 29-38. |
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Chapman, J.W., Williams, T., Escribano, A., Caballero, P., Cave, R.D. & Goulson, D. (1999) Age-related cannibalism and horizontal transmission of a nuclear polyhedrosis virus in larval Spodoptera frugiperda. Ecological Entomology 24, 268-275. |
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Escribano, A., Williams, T., Goulson, D., Cave, R.D. & Caballero, P. (2000) Parasitoid-pathogen-pest interactions of Chelonus insularis, Campoletis sonorensis and a nucleopolyhedrovirus in Spodoptera frugiperda larvae. Biological Control 19, 265-273. |
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Escribano, A., Williams, T., Goulson, D., Cave, R.D., Chapman, J.W. & Caballero, P. (2000) Effect of parasitism on a nucleopolyhedrovirus amplified in Spodoptera frugiperda larvae parasitized by Campoletis sonorensis. Entomologia Experimentalis et Applicata 97, 257-264. |
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Castillejos, V., García, L., Cisneros, J., Goulson, D., Caballero, P., Cave, R.D. & Williams, T. (2001) The potential of Chrysoperla rufilabris and Doru taeniatum as agents for dispersal of Spodoptera frugiperda nucleopolyhedrovirus in maize. Entomologia Experimentalis et Applicata 98, 353-359. |
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Escribano, A., Williams, T., Goulson, D., Cave, R.D., Chapman, J.W. & Caballero, P. (2001) Consequences of interspecific competition on the virulence and genetic composition of a nucleopolyhedrovirus in Spodoptera frugiperda larvae parasitized by Chelonus insularis. Biocontrol Science & Technology 11, 649-662. |
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Vasconcelos, S.D., Cory, J.S., Speight, M.R. & Williams, T. (2002) Host stage structure and baculovirus transmission in Mamestra brassicae L. (Lepidoptera: Noctuidae) larvae: a laboratory examination of small scale epizootics. Neotropical Entomology 31, 391-396. |
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López-Ferber, M., Simón, O., Williams, T., & Caballero, P. (2003) Defective or effective? Mutualistic interactions between virus genotypes. Proceedings of the Royal Society B: Biological Sciences 270, 2249-2255. |
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Martínez, A.M., Caballero, P., Villanueva, M., Miralles, N., San Martín, I., López, E. & Williams, T. (2004) Formulation with an optical brightener does not increase probability of developing resistance to Spodoptera frugiperda nucleopolyhedrovirus in the laboratory. Journal of Economic Entomology 97, 1202 - 1208. |
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Simón, O., Williams, T., López-Ferber, M., & Caballero, P. (2004) Genetic structure of a Spodoptera frugiperda nucleopolyhedrovirus population: high prevalence of deletion genotypes. Applied & Environmental Microbiology 70, 5579-5588. |
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Simón, O., Williams, T., López-Ferber, M. & Caballero, P. (2004) Virus entry or the primary infection cycle are not the principal determinants of host specificity of Spodoptera spp. nucleopolyhedroviruses. Journal of General Virology 85, 2845-2855. |
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Simón, O., Gutiérrez, S., Williams, T., Caballero, P. & López-Ferber, M. (2005) Nucleotide sequence and transcriptional analysis of the pif gene of Spodoptera frugiperda nucleopolyhedrovirus (SfMNPV). Virus Research 108, 213-220. |
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Martínez, A.M., Williams, T., López-Ferber, M. & Caballero, P. (2005) Optical brighteners do not influence covert baculovirus infection of Spodoptera frugiperda. Applied & Environmental Microbiology 71, 1668-1670. |
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Simón, O., Chevenet, F., Williams, T., Caballero, P. & López-Ferber, M. (2005) Physical and partial genetic map of Spodoptera frugiperda nucleopolyhedrovirus (SfMNPV) genome. Virus Genes 30, 403-417. |
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Simón, O., Williams, T., López-Ferber, M. & Caballero, P. (2005) Functional importance of deletion mutant genotypes in an insect nucleopolyhedrovirus population. Applied & Environmental Microbiology 71, 4254-4262. |
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Simón, O., Williams, T., Caballero, P. & López-Ferber, M. (2006) Dynamics of deletion genotypes in an experimental insect virus population. Proceedings of the Royal Society B: Biological Sciences 273, 783–790. |
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Murillo, R., Muñoz, D., Williams, T., Mugeta, N. & Caballero, P. (2006) Application of the PCR-RFLP method for the rapid differentiation of Spodoptera exigua nucleopolyhedrovirus genotypes. Journal of Virological Methods 135, 1–8. |
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Murillo, R., Elvira, S., Muñoz, D., Williams, T., & Caballero, P. (2006) Genetic and phenotypic variability in Spodoptera exigua nucleopolyhedrovirus isolates from greenhouse soils in southern Spain. Biological Control 38, 157-165. |
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Murillo, R., Muñoz, D., Ruíz-Portero, M.C., Alcázar, M.D., Belda, J.E., Williams, T. & Caballero, P. (2007) Abundance and genetic structure of nucleopolyhedrovirus populations in greenhouse substrate reservoirs. Biological Control 42, 216-225. |
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Lasa, R., Caballero, P. & Williams, T. (2007) Juvenile hormone analogs greatly improve the production of a nucleopolyhedrovirus. Biological Control 41, 389-396. |
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Lasa, R., Williams, T. & Caballero, P. (2008) Insecticidal properties and microbial contaminants in a Spodoptera exigua multiple nucleopolyhedrovirus (SeMNPV, Baculoviridae) formulation stored at different temperatures. Journal of Economic Entomology 101, 42-49. |
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Simón, O., Williams, T., López-Ferber, M., Taulemesse, J.M. & Caballero, P. (2008) Population genetic structure determines the speed of kill and occlusion body prodction in Spodoptera frugiperda multiple nucleopolyhedrovirus. Biological Control 44, 321-330. |
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Simón, O., Williams, T., Caballero, P. & Possee, R.D. (2008) Effects of Acp26 on in vitro and in vivo productivity, pathogenesis and virulence of Autographa californica multiple nucleopolyhedrovirus. Virus Research 136, 202-205. |
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Simón, O., Williams, T., Cabrera-Asensio, A., Ros, S., Gaya, A., Caballero, P. & Possee, R.D. (2008) Sf29 gene of Spodoptera frugiperda multiple nucleopolyhedrovirus is a viral factor that determines the number of virions in occlusion bodies. Journal of Virology 82, 7897-7904. |
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Clavijo, G., Williams, T., Simón, O., Muñoz, D., Cerutti, M., López-Ferber, M. & Caballero, P. (2009) Mixtures of complete and pif1- and pif2-deficient genotypes are required for increased potency of an insect nucleopolyhedrovirus. Journal of Virology 83, 5127-5136. |
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Lasa, R., Williams, T., & Caballero, P. (2009) The attractiveness of phagostimulant formulations of a nucleopolyhedrovirus-based insecticide depends on prior insect diet. Journal of Pest Science 82, 247-250. |
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Lasa, R., Moreno, I., Caballero, P. & Williams, T. (2009) Application of juvenile hormone analogue and optical brightener technologies to the production of Spodoptera frugiperda multiple nucleopolyhedrovirus. IOBC/Wprs Bulletin 45, 153-156. |
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Clavijo, G., Williams, T., Muñoz, D., López-Ferber, M. & Caballero, P. (2009). Entry into midgut epithelial cells is a key step in the selection of genotypes in a nucleopolyhedrovirus. Virologica Sinica 24, 350-358. |
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Elvira, S., Gorría, N, Muñoz, D., Williams, T., Caballero, P. (2010) A simplified low-cost diet for rearing Spodoptera exigua (Lepidoptera: Noctuidae) and its effect on S. exigua nucleopolyhedrovirus production. Journal of Economic Entomology 103, 17-24. |
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Simón, O., Williams, T., Possee, R.D., López-Ferber, M. & Caballero, P. (2010) Stability of a Spodoptera frugiperda nucleopolyhedrovirus deletion recombinant during serial passage in insects. Applied & Environmental Microbiology 76, 803-809. |
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Clavijo, G., Williams, T., Muñoz, D., Caballero, P. & López-Ferber, M. (2010) Mixed genotype transmission bodies and virions contribute to the maintenance of diversity in an insect virus. Proceedings of the Royal Society B: Biological Sciences 277, 943-951. |
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Elvira, S., Williams, T. & Caballero, P. (2010) Juvenile hormone analog technology: effects on larval cannibalism and the production of Spodoptera exigua (Lepidoptera: Noctuidae) nucleopolyhedrovirus. Journal of Economic Entomology 103, 577-582. |
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Cabodevilla, O., Ibañez, I., Simón, O., Murillo, R., Caballero, P. & Williams, T. (2011) Occlusion body pathogenicity, virulence and productivity traits vary with transmission strategy in a nucleopolyhedrovirus. Biological Control 56, 184-192. |
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Simón, O., Palma, L., Beperet, I., Muñoz, D., López-Ferber, M., Caballero, P. & Williams, T. (2011) Sequence comparison between three geographically distinct Spodoptera frugiperda multiple nucleopolyhedrovirus isolates: detecting positively selected genes. Journal of Invertebrate Pathology 107, 33-42. |
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Cabodevilla, O., Villar, E., Virto, C., Murillo, R., Williams, T. & Caballero, P. (2011) Intra- and intergenerational persistence of an insect nucleopolyhedrovirus: adverse effects of sublethal disease on host development, reproduction and susceptibility to superinfection. Applied and Environmental Microbiology 77, 2954-2960. |
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Barrera, G., Simón, O., Villamizar, L., Williams, T., & Caballero, P. (2011) Spodoptera frugiperda multiple nucleopolyhedrovirus as a potential biological insecticide: genetic and phenotypic comparison of field isolates from Colombia. Biological Control 58, 113–120. |
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Simón, O., Palma, L., Williams, T., López-Ferber, M., & Caballero, P. (2012) Analysis of a naturally-occurring deletion mutant of Spodoptera frugiperda multiple nucleopolyhedrovirus reveals sf58 as a new per os infectivity factor of lepidopteran-infecting baculoviruses. Journal of Invertebrate Pathology 109, 117-126. |
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Stoianova, E., Williams, T., Cisneros, J., Muñoz, D., Murillo, R., Tasheva, E. & Caballero, P. (2012) Interactions between an ectoparasitoid and a nucleopolyhedrovirus when simultaneously attacking Spodoptera exigua (Lepidoptera: Noctuidae). Journal of Applied Entomology 136, 596–604. |
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Simón, O., Williams, T., López-Ferber, M. & Caballero, P. (2012) Deletion of egt is responsible for the fast-killing phenotype of natural deletion genotypes in a Spodoptera frugiperda multiple nucleopolyhedrovirus population. Journal of Invertebrate Pathology 111, 260–263. |
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Serrano, A., Williams, T., Simón, O., López-Ferber, M., Caballero, P. & Muñoz, D. (2013) Analagous population structures in two alphabaculoviruses highlight functional role for deletion mutants. Applied & Environmental Microbiology 79, 1118–1125. |
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Elvira, S., Ibargutxi, M.A., Gorria, N., Muñoz, D., Caballero, P. & Williams, T. (2013) Insecticidal characteristics of two commercial Spodoptera exigua nucleopolyhedrovirus strains produced on different host colonies. Journal of Economic Entomology 106, 50-56. |
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Virto, C., Zárate, CA., López-Ferber, M., Murillo, R., Caballero, P. & Williams, T. (2013) Gender-mediated differences in vertical transmission of a nucleopolyhedrovirus. PLoS ONE 8, e70932. |
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Bernal, A., Williams, T., Hernández-Suárez, E., Carnero, A., Caballero, P., & Simón, O. (2013) A native variant of Chrysodeixis chalcites nucleopolyhedrovirus: The basis for a promising bioinsecticide for control of C. chalcites on Canary Islands’ banana crops. Biological Control 67, 101-110. |
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Barrera, G., Williams, T., Villamizar, L., Caballero, P. & Simón, O. (2013) Deletion genotypes reduce occlusion body potency but increase occlusion body production in a Colombian Spodoptera frugiperda nucleopolyhedrovirus population. PLoS ONE 8, e77271. |
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Bernal, A., Williams, T., Muñoz, D., Caballero, P. & Simón, O. (2013) Complete genome sequences of five Chrysodeixis chalcites nucleopolyhedrovirus genotypes from a Canary Islands isolate. Genome Announcements 1, e00873-13. |
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Beperet, I., Barrera, G., Simón, O., Williams, T., López-Ferber, M., Gasmi, L., Herrero, S. & Caballero, P. (2013) The sf32 unique gene of Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV) is a non-essential gene that could be involved in nucleocapsid organization in occlusion-derived virions. PLoS ONE 8, e77683. |
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Simón, O., Williams, T., Cerutti, M., Caballero, P. & López-Ferber, M. (2013) Expression of a peroral infection factor determines pathogenicity and population structure in an insect virus. PLoS ONE 8, e78834. |
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Bernal, A., Simón, O., Williams, T., Muñoz, D, & Caballero, P. (2013) A Chrysodeixis chalcites single-nucleocapsid nucleopolyhedrovirus population from the Canary Islands is genotypically structured to maximize survival. Applied & Environmental Microbiology 79, 7709–7718. |
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Beperet, I., Irons, S., Simón, O., King, L.A., Williams, T., Possee, R.D., López-Ferber, M., & Caballero, P. (2014) Superinfection exclusion in alphabaculovirus infections is concomitant with actin reorganization. Journal of Virology 88, 3548–3556. |
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Bernal, A., Simón, O., Williams, T. & Caballero, P. (2014) Stage-specific insecticidal characteristics of a nucleopolyhedrovirus isolate from Chrysodeixis chalcites enhanced by optical brighteners. Pest Management Science 70, 798–804. |
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Arrizubieta, M., Williams, T., Caballero, P. & Simón, O. (2014) Selection of a nucleopolyhedrovirus isolate from Helicoverpa armigera as the basis for a biological insecticide. Pest Management Science 70, 967-976. |
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Virto, C., Navarro, D., Tellez, M.M., Herrero, S., Williams, T., Murillo, R., & Caballero, P. (2014) Natural populations of Spodoptera exigua are infected by multiple viruses that are transmitted to their offspring. Journal of Invertebrate Pathology 122, 22–27. |
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Thézé, J., Cabodevilla, O., Palma, L., Williams, T., Caballero, P. & Herniou, E.A. (2014) Genomic diversity in European Spodoptera exigua multiple nucleopolyhedrovirus isolates. Journal of General Virology 95, 2297-2309. |
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Serrano, A., Pijlman, G.P., Vlak, J.M., Muñoz, D., Williams, T., Caballero, P. (2015) Identification of Spodoptera exigua nucleopolyhedrovirus genes involved in pathogenicity and virulence. Journal of Invertebrate Pathology 126, 43-50. |
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Beperet, I., Simón, O., Williams, T., López-Ferber, M. & Caballero, P. (2015) The “11K” gene family members sf68, sf95 and sf138 modulate transmissibility and insecticidal properties of Spodoptera frugiperda multiple nucleopolyhedrovirus. Journal of Invertebrate Pathology 127, 101–109. |
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Arrizubieta, M., Simón, O., Williams, T., & Caballero, P. (2015) Genomic sequence of five Helicoverpa armigera nucleopolyhedrovirus genotypes from Spain that differ in their insecticidal properties. Genome Anouncements 3, e00548-15. |
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Arrizubieta, M., Simón, O., Williams, T. & Caballero, P. (2015) A novel binary mixture of Helicoverpa armigera single nucleopolyhedrovirus genotypic variants has improved insecticidal characteristics for control of cotton bollworms. Applied and Environmental Microbiology 81, 3984-3993. |
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Rebolledo, D., Lasa, R., Guevara, R., Murillo, R. & Williams, T. (2015) Baculovirus-induced climbing behavior favors intraspecific necrophagy and efficient disease transmission in Spodoptera exigua. PLOS One 10, e0136742. |
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Jakubowska, A.K., Murillo, R., Carballo, A., Williams, T., van Lent, J.W., Caballero, P. & Herrero, P. (2016) Iflavirus increases its infectivity and physical stability in association with baculovirus. PeerJ 4, e1687. |
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Infante-Rodríguez DA, Berber, J.J., Mercado, G., Valenzuela-González, J., Muñoz, D. & Williams, T. (2016) Earthworm mediated dispersal of baculovirus occlusion bodies: experimental evidence from a model system. Biological Control 100, 18–24. |
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Arrizubieta, M., Simón, O., Williams, T. & Caballero, P. (2016) Determinant factors in the production of a co-occluded binary mixture of Helicoverpa armigera alphabaculovirus (HearNPV) genotypes with desirable insecticidal characteristics. PLoS ONE 11, e0164486. |
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Virto, C., Williams, T., Navarro, D., Tellez, M.M., Murillo, R. & Caballero, P. (2017) Can mixtures of horizontally and vertically transmitted nucleopolyhedrovirus genotypes be effective for biological control of Spodoptera exigua? Journal of Pest Science 90, 331-343. |
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Virto, C., Navarro, D., Tellez, M.M., Murillo, R., Williams, T. & Caballero, P. (2017) The role of chemical and biological stress factors on the activation of nucleopolyhedrovirus infections in covertly infected Spodoptera exigua larvae. Journal of Applied Entomology 141, 384–392. |
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Simón, O., Erlandson, M.A., Frayssinet, M., Williams, T., Volkoff, A.N. & Caballero, P. (2017) Lacanobia oleracea nucleopolyhedrovirus (LaolNPV): a new European species of alphabaculovirus with a narrow host range. PLoS ONE 12, e0176171. |
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Carballo, A., Murillo, R., Jakubowska, A., Herrero, S., Williams, T. & Caballero, P* (2017) Co-infection with iflaviruses influences the insecticidal properties of Spodoptera exigua multiple nucleopolyhedrovirus occlusion bodies: implications for the production and biosecurity of baculovirus insecticides. PLoS ONE 12, e0177301. |
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Williams, T., Bergoin, M. & van Oers, M.M. (2017) Diversity of large DNA viruses of invertebrates. Journal of Invertebrate Pathology 147, 4-22. |
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Williams, T., Virto, C., Murillo, R. & Caballero, P. (2017) Covert infection of insects by baculoviruses. Frontiers in Microbiology 8, 1337. |
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Williams, T. (2018) Viruses. In: Hajek, A.E. & Shapiro-Ilan D.I., Ecology of Invertebrate Diseases. Wiley, Chichester, UK. pp. 215-285. doi: 10.1002/9781119256106.ch7 |
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Bernal, A., Simón, O., Williams, T., Muñoz, D., & Caballero, P. (2018) Remarkably efficient production of a highly insecticidal Chrysodeixis chalcites nucleopolyhedrovirus (ChchNPV) isolate in its homologous host. Pest Management Science 74, 1586-1592. |
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Del-Angel, C., Lasa, R., Mercado, G. Rodríguez-del-Bosque, L.A. Caballero, P. & Williams, T. (2018) Acquisition of lethal infection, hypermobility and modified climbing behavior in nucleopolyhedrovirus infected larvae of Anticarsia gemmatalis. Biological Control 125, 90–97. |
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Lasa, R., Guerrero-Analco, JA, Monribot-Villanueva, JL, Mercado, G. & Williams, T. (2018) Why do Spodoptera exigua multiple nucleopolyhedrovirus occlusion bodies lose insecticidal activity on amaranth (Amaranthus hypocondriacus L.)? Biological Control 126, 74-82. |
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Del-Angel, C., Lasa, R., Rodríguez-del-Bosque, L.A., Mercado, G., Beperet, I., Caballero, P., & Williams, T. (2018) Anticarsia gemmatalis nucleopolyhedrovirus from soybean crops in Tamaulipas, Mexico: diversity and insecticidal characteristics of individual variants and their co-occluded mixtures. Florida Entomologist 101, 404-410. |
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Ramírez-Arias, F.G., Lasa, R., Murillo, R., Navarro-de-la-Fuente, L., Mercado, G. & Williams, T. (2019) Post-mortem incubation influences occlusion body production in nucleopolyhedrovirus-infected larvae of Spodoptera frugiperda. Biological Control 135, 33–40. |
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Aguirre, E., Beperet, I., Williams, T. & Caballero, P. (2019) Genetic variability of Chrysodeixis includens nucleopolyhedrovirus (ChinNPV) and the insecticidal characteristics of selected genotypic variants. Viruses 11, 581. |
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Belda, I.M., Beperet, I., Williams, T. & Caballero, P. (2019) Genetic variation and biological stability of two closely related alphabaculoviruses during serial passage in permissive and semi-permissive heterologous hosts. Viruses 11, 660. |
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Carballo, A., Williams, T., Murillo, R., Caballero, P. (2020) Iflavirus covert infection increases susceptibility to nucleopolyhedrovirus disease in Spodoptera exigua. Viruses 12, 509. |
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Hernández-Melchor, L., Ramírez-Santiago, J.J., Mercado, G. & Williams, T. (2020) Vertical dispersal of nucleopolyhedrovirus occlusion bodies in soil by the earthworm Amynthas gracilus: a field-based estimation. Biocontrol Science & Technology 30, 602-608. |
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Presa-Parra, E., Lasa, R., Reverchon, F., Simón, O. & Williams, T. (2020) Use of biocides to minimize microbial contamination in Spodoptera exigua multiple nucleopolyhedrovirus preparations. Biological Control 151, 104408. |
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Simón, O., Palma, L., Fernández, A.B., Williams, T. & Caballero, P. (2020) Baculovirus expression and functional analysis of Vpa2 proteins from Bacillus thuringiensis. Toxins 12, 543. |
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Beperet, I., Simón, O., López-Ferber, M., van Lent, J., Williams, T., & Caballero, P. (2021) Mixtures of insect pathogenic viruses in a single virion: towards the development of custom designed insecticides. Applied & Environmental Microbiology 87, e02180-20A. |
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Ricarte-Bermejo, A., Simón, O., Fernández, A.B., Williams, T., & Caballero, P. (2021) Bacmid expression of granulovirus enhancin En3 accumulates in cell soluble fraction to potentiate nucleopolyhedrovirus infection. Viruses 13, 1233. |
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Aguirre, E., Beperet, I., Williams, T. & Caballero, P. (2021) Generation of variability in Chrysodeixis includens nucleopolyhedrovirus (ChinNPV): the role of a single variant. Viruses 13, 1895. 1233. |
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Williams, T., López-Ferber, M. & Caballero, P. (2022) Nucleopolyhedrovirus coocclusion technology: a new concept in the development of biological insecticides. Frontiers in Microbiology 12, 810026. |
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Arrizubieta, M., Simón, O., Ricarte-Bermejo, A., López-Ferber, M., Williams, T. & Caballero, P. (2022) Coocclusion of Helicoverpa armigera single nucleopolyhedrovirus (HearSNPV) and Helicoverpa armigera multiple nucleopolyhedrovirus (HearMNPV): pathogenicity and stability in homologous and heterologous hosts. Viruses 14, 687. |
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Velasco, E.A., Molina-Ruíz, C.S., Gómez-Díaz, J.S. & Williams, T. (2022) Properties of nucleopolyhedrovirus occlusion bodies from living and virus-killed larvae of Spodoptera frugiperda (Lepidoptera: Noctuidae). Biological Control 174, 105008. |
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Williams T., Melo-Molina, G.d.C., Jiménez-Fernández, J.A., Weissenberger, H., Gómez-Díaz, J.S., Navarro-de-la-Fuente, L., & Richards, A.R. (2023) Presence of Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV) occlusion bodies in maize field soils of Mesoamerica. Insects 14, 80. |
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Williams, T. (2023) Soil as an environmental reservoir for baculoviruses: Persistence, dispersal and role in pest control. Soil Systems 7, 29. |
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Parras-Jurado, A., Muñoz, D., Beperet, I., Williams, T., & Caballero, P. (2023) Insecticidal traits of variants in a genotypically diverse natural isolate of Anticarsia gemmatalis multiple nucleopolyhedrovirus (AgMNPV). Viruses 15, 1526. |
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Molina-Ruiz, C.S., Zamora-Briseño, J.A., Simón, O., Lasa, R., & Williams, T. (2024) A qPCR assay for the quantification of selected genotypic variants of Spodoptera frugiperda multiple nucleopolyhedrovirus (Baculoviridae). Viruses 16, 881. https://doi.org/10.3390/v16060881 |
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Real-Santillán, R.O., del-Val, E., Williams, T., Martínez-Castillo, A.M., Gavito, M.E., Contreras-Cornejo, H.A., Díaz, T., García-Gómez, G. & Larsen, J. (2024) Water stress decreases the biocontrol efficacy of a nucleopolyhedrovirus against the fall armyworm on maize. Journal of Pest Science 97, 1315–1324. https://doi.org/10.1007/s10340-023-01700-x |
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Presa-Parra, E., Navarro-de-la-Fuente, L., Williams, T. & Lasa, R. (2023) Can low concentration flufenoxuron treatment increase the pathogenicity or production of nucleopolyhedrovirus occlusion bodies in Spodoptera exigua (Hübner) or Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)? Acta Zoológica Mexicana 39, e3912627. |
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López-Ferber, M., Caballero, P. & Williams, T. (2025) Baculovirus genetic diversity and population structure. Viruses 17, 142. https://doi.org/10.4039/tce.2024.43 |
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Ávila-Hernández, E., Molina-Ruiz, C.S., Díaz-Gómez, J.S. & Williams, T. (2025) Fecal transmission of Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV; Baculoviridae). Viruses 17, 298. https://doi.org/10.3390/v17030298 |
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Williams, T. (2025) Fecal transmission of nucleopolyhedroviruses: a neglected route to disease? Insects 16, 562. https://doi.org/10.3390/insects16060562 |
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Gómez-Díaz, J.S., Cubas, A.Y., Arias-Robledo, M.J. & Williams, T. (2026) Direct and indirect effects of a glyphosate-based herbicide on Spodoptera frugiperda multiple nucleopolyhedrovirus (Baculoviridae) on diet, maize plants and soil. Insects 17(1), 73. https://doi.org/10.3390/insects17010073 |
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| Virus-based insecticides | |||||||||||
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Bourner, T.C., Vargas-Osuna, E., Williams, T., Santiago-Alvarez, C. & Cory, J.S. (1992) A comparison of the efficacy of nuclear polyhedrosis virus and granulosis virus in spray and bait formulations for the control of Agrotis segetum in maize. Biocontrol Science & Technology 2, 315-326. |
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Cory, J.S., Hirst, M.L., Williams, T., Hails, R.S., Goulson, D., Green, B.M., Carty, T.M., Possee, R.D., Cayley, P.J. & Bishop, D.H.L. (1994) First field trial of a genetically improved baculovirus insecticide. Nature 370, 138-140. |
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Williams, T., Goulson, D., Caballero, P., Cisneros, J., Martínez, A.M., Chapman, J.W., Roman, D.X. & Cave, R.D. (1999) Evaluation of a baculovirus bioinsecticide for small scale maize growers in Latin America. Biological Control 14, 67-75. |
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Escribano, A., Williams, T., Goulson, D., Cave, R.D., Chapman, J.W. & Caballero, P. (1999) Selection of a nucleopolyhedrovirus for control of Spodoptera frugiperda (Lepidoptera: Noctuidae): structural, genetic and biological comparison of four isolates from the Americas. Journal of Economic Entomology 92, 1079-1085. |
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Martínez, A.M., Goulson, D., Chapman, J.W., Caballero, P., Cave, R.D. & Williams, T. (2000) Is it feasible to use optical brightener technology with a baculovirus bioinsecticide for resource-poor maize farmers in Mesoamerica? Biological Control 17, 174-181. |
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Goulson, D., Martínez, A.M., Hughes, W.O.H. & Williams, T. (2000) Effects of optical brighteners used in biopesticide formulations on the behavior of pollinators. Biological Control 19, 232-236. |
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Caballero, P., Williams, T. & López-Ferber, M. (2001) Estructura y taxonomía de los baculovirus. En: Los baculovirus y sus aplicaciones como bioinsecticidas en el control biológico de plagas. Caballero, P., López-Ferber, M. & Williams, T. (eds.), pp. 15-46. Phytoma S.A., Valencia, España. |
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Williams, T. & Cisneros, J. (2001) Formulación y aplicación de los baculovirus bioinsecticidas. En: Los baculovirus y sus aplicaciones como bioinsecticidas en el control biológico de plagas. Caballero, P., López-Ferber, M. & Williams, T. (eds.), pp. 313-372. Phytoma S.A., Valencia, España. |
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Cherry, A. & Williams, T. (2001) Control de insectos plaga mediante los baculovirus. En: Los baculovirus y sus aplicaciones como bioinsecticidas en el control biológico de plagas. Caballero, P., López-Ferber, M. & Williams, T. (eds.), pp. 389-450. Phytoma S.A., Valencia, España. |
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Caballero, P., López-Ferber, M. & Williams, T. (Editors) (2001) Los baculovirus y sus aplicaciones como bioinsecticidas en el control biológico de plagas. pp. 518. Phytoma S.A., Valencia, España (ISBN: 84-932056-0-5). |
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Cisneros, J., Pérez, J.A., Penagos, D.I., Ruiz V., J., Goulson, D., Caballero, P., Cave, R.D. & Williams, T. (2002) Formulation of a nucleopolyhedrovirus with boric acid for control of Spodoptera frugiperda (Lepidoptera: Noctuidae) in maize. Biological Control 23, 87-95. |
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Castillejos, V., Trujillo, J., Ortega, L.D., Santizo, J.A., Cisneros, J., Penagos, D.I., Valle, J. & Williams, T. (2002) Granular phagostimulant nucleopolyhedrovirus formulations for control of Spodoptera frugiperda in maize. Biological Control 24, 300-310. |
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Méndez, W.A., Valle, J., Ibarra, J.E., Cisneros, J., Penagos, D.I. & Williams, T. (2002) Spinosad and nucleopolyhedrovirus mixtures for control of Spodoptera frugiperda (Lepidoptera: Noctuidae) in maize. Biological Control 25, 195-206. |
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Goulson, D., Derwent, L.C., Penagos, D.I., & Williams, T. (2003) Effects of optical brighteners included in biopesticide formulations on the growth of crops. Agriculture Ecosystems & Environment 95, 235-240. |
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Armenta, R., Martínez, A.M., Chapman, J.W., Magallanes, R., Goulson, D., Caballero, P., Cave, R.D., Cisneros, J., Valle, J., Castillejos, V., Penagos, D.I., García, L.F. & Williams, T. (2003) Impact of a nucleopolyhedrovirus bioinsecticide and selected synthetic insecticides on the abundance of insect natural enemies on maize in Southern Mexico. Journal of Economic Entomology 96, 649-661. |
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Martínez, A.M., Simón, O., Williams, T. & Caballero, P. (2003) Effect of optical brighteners on the insecticidal activity of a nucleopolyhedrovirus in three instars of Spodoptera frugiperda. Entomologia Experimentalis et Applicata 109, 139-146. |
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Murillo, R., Lasa, R., Goulson, D., Williams, T., Muñoz, D. & Caballero, P. (2003) Effect of Tinopal LPW on the insecticidal properties and genetic stability of the nucleopolyhedrovirus of Spodoptera exigua (Lepidoptera: Noctuidae). Journal of Economic Entomology 96, 1668-1674. |
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Lasa, R., Ruiz-Portero, C., Alcázar, M.D., Belda, J.E., Caballero, P. & Williams, T. (2007) Efficacy of optical brightener formulations of Spodoptera exigua multiple nucleopolyhedrovirus (SeMNPV) as a biological insecticide in greenhouses in southern Spain. Biological Control 40, 89-96. |
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Lasa, R., Pagola, I., Ibañez, I., Belda, J.E., Williams, T. & Caballero, P. (2007) Efficacy of Spodoptera exigua multiple nucleopolyhedrovirus as a biological insecticide for beet armyworm control in greenhouses of southern Spain. Biocontrol Science & Technology 17, 221 - 232. |
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Caballero, P. & Williams, T. (2008) Virus Entomopatógenos. En: Control Biológico de Plagas Agrícolas, (Eds. J.A. Jacas y A. Urbaneja), Fascículo número 04, Phytoma, España, noviembre - diciembre de 2008, pp. 121-136. |
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Caballero, P., Murillo, R., Muñoz, D. & Williams, T. (2009) El nucleopoliedrovirus de Spodoptera exigua (Lepidoptera: Noctuidae) como bioplaguicida: un análisis de avances recientes en España. Revista Colombiana de Entomología 35, 105-115. |
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Simón, O., Bernal, A., Williams, T., Carnero, A., Hernández-Suárez, E., Muñoz, D. & Caballero, P. (2015) Efficacy of an alphabaculovirus-based biological insecticide for control of Chrysodeixis chalcites (Lepidoptera: Noctuidae) on tomato and banana crops. Pest Management Science 71, 1623–1630. |
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Arrizubieta, M., Simón, O., Torres-Vila, L.M., Figueiredo, E., Mendiola, J., Mexia, A., Caballero, P., & Williams, T. (2016) Insecticidal efficacy and persistence of a co-occluded binary mixture of Helicoverpa armigera nucleopolyhedrovirus (HearNPV) variants in protected and field-grown tomato crops on the Iberian peninsula. Pest Management Science 72, 660-670. |
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Fuentes, E.G., Hernández-Suárez, E., Simón, O., Williams, T. & Caballero, P. (2017) Chrysodeixis chalcites nucleopolyhedrovirus (ChchNPV): natural occurrence and efficacy as a biological insecticide on young banana plants in greenhouse and open-field conditions on the Canary Islands. PLoS ONE 12, e0181384. |
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| Spinosad | |||||||||||
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Cisneros, J., Goulson, D., Derwent, L.C., Penagos, D.I., Hernández, O. & Williams, T. (2002) Toxic effects of spinosad on predatory insects. Biological Control 23, 156-163. |
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Williams, T., Valle, J. & Viñuela, E. (2003) Is the naturally-derived insecticide Spinosad compatible with insect natural enemies? Biocontrol Science & Technology 13, 459-475. |
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Bond, J.G., Marina, C.F. & Williams, T. (2004) The naturally-derived insecticide spinosad is highly toxic to Aedes and Anopheles mosquito larvae. Medical & Veterinary Entomology 18, 50-56. |
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Williams, T., Cisneros, J., Penagos, D.I., Valle, J. & Tamez-Guerra, P. (2004) Ultra-low rates of spinosad in phagostimulant granules provide control of Spodoptera frugiperda in maize. Journal of Economic Entomology 97, 422-428. |
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Penagos, D.I., Cisneros, J., Hernández, O. & Williams, T. (2005) Lethal and sublethal effects of the naturally derived insecticide spinosad on parasitoids of Spodoptera frugiperda (Lepidoptera: Noctuidae). Biocontrol Science & Technology 15, 81-95. |
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Pérez, C.M., Marina, C.F., Bond, J.G., Rojas, J.C., Valle, J. & Williams, T. (2007) Spinosad, a naturally-derived insecticide, for control of Aedes aegypti: efficacy, persistence and oviposition response. Journal of Medical Entomology 44, 631 - 638. |
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Ruiz, L., Flores, S., Cancino, J., Arredondo, J., Valle, J., Díaz-Fleischer, F., & Williams, T. (2008) Lethal and sublethal effects of spinosad-based GF-120 bait on the tephritid parasitoid Diachasmimorpha longicaudata (Hymenoptera: Braconidae). Biological Control 44, 296-304. |
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Antonio, G.E., Sánchez, D., Williams, T. & Marina, C.F. (2009) Paradoxical effects of sublethal exposure to the naturally-derived insecticide spinosad in the dengue vector mosquito, Aedes aegypti. Pest Management Science 65, 323-326. |
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Marina, C.F., Bond, J.G., Casas, M., Muñoz, J., Orozco, A., Valle, J., & Williams, T. (2011) Spinosad as an effective larvicide for control of Aedes albopictus and Aedes aggypti, vectors of dengue in southern Mexico. Pest Management Science 67, 114–121. |
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Infante-Rodríguez, D.A., Novelo-Gutiérrez, R., Mercado, G. & Williams. T. (2011) Spinosad toxicity to Simulium spp. larvae and associated aquatic biota in a coffee-growing region of Veracruz State, Mexico. Journal of Medical Entomology 48, 570-576. |
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Marina, C.F., Bond, J.G., Muñoz, J., Valle, J., Chirino, N. & Williams, T. (2012) Spinosad: a biorational mosquito larvicide for use in car tires in southern Mexico. Parasites & Vectors 5, 95 |
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Marina, C.F., Bond, J.G., Muñoz, J., Valle, J., Novelo-Gutiérrez, R. & Williams, T. (2014) Efficacy and non-target impact of spinosad, Bti and temephos larvicides for control of Anopheles spp. in an endemic malaria region of southern Mexico. Parasites & Vectors 7, 55. |
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Marina, C.F., Bond J.G., Muñoz, J. Valle, J., Quiroz-Martínez, H., Torres-Monzón, J.A. & Williams, T. (2018) Efficacy of larvicides for control of dengue, Zika and chikungunya vectors in an urban cemetery in southern Mexico. Parasitology Research 117, 1941–1952. |
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Tamez-Guerra, P., Tamayo-Mejía, F., Gomez-Flores, R., Rodríguez-Padilla, D.G, Tamez-Guerra, R.S., Ek-Ramos, M.J., Williams, T. (2018) Increased efficacy and extended shelf life of spinosad formulated in phagostimulant granules against Spodoptera frugiperda. Pest Management Science 74, 100-110. |
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Valtierra-de-Luis, D., Villanueva, M., Caballero, J., Matas, I.M., Williams, T., Caballero, P. (2019) Quantification of dose-mortality responses in adult Diptera: validation using Ceratitis capitata and Drosophila suzukii responses to spinosad. PLoS One 14, e0210545. |
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Williams, T., Farfán, J.L., Mercado, G., Valle, J., Abella, A. & Marina, C.F. (2019) Efficacy of spinosad granules and lambda-cyhalothrin contrasts with reduced performance of temephos for control of Aedes spp. in vehicle tires in Veracruz, Mexico. Insects 10, 242. |
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Marina, C.F., Bond, J.G., Muñoz, J., Valle, J.F., Quiroz-Martínez, H., Torres-Monzón, J.A. & Williams, T. (2020) Comparison of novaluron, pyriproxyfen, spinosad (granules and tablets) and temephos as larvicides against Aedes aegypti in oviposition traps and domestic water tanks in Chiapas, Mexico. Salud Pública de México 62, 424-431. |
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Williams, T., Mercado, G., & Aluja, M. (2021) Can spinosad be effective for the integrated management of Anastrepha ludens (Diptera: Tephritidae) in soil and fallen fruit, and be compatible with the parasitoid Diachasmimorpha longicaudata (Braconidae)? Phytoparasitica 49, 73–82. |
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| Mosquitoes, blackflies, ticks: vectors of disease | |||||||||||
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Jones, L.D., Davies, C.R., Williams, T., Cory J.S. & Nuttall, P.A. (1990) Non-viremic transmission of Thogoto virus: vector efficiency of Rhipacephalus appendiculatus and Amblyomma variegatum. Transactions of the Royal Society of Tropical Medicine & Hygiene 84, 846-848. |
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Williams, T. (1991) The ubiquitous occurrence of Simulium posticatum (Diptera) in rivers around Oxford. The Entomologist 110, 33-36. |
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Jones, L.D., Hodgson, E., Williams, T., Higgs, S. & Nuttall, P.A. (1992) Saliva activated transmission (SAT) of Thogoto virus: relationship with vector potential of different haematophagous arthropods. Medical & Veterinary Entomology 6, 261-265. |
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Labuda, M., Jones, L.D., Williams, T., Danielova, D. & Nuttall, P.A. (1993) Efficient transmission of tick-borne encephalitis virus between co-feeding ticks. Journal of Medical Entomology 30, 295-299. |
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Labuda, M., Jones, L.D., Williams, T. & Nuttall, P.A. (1993) Enhancement of tick borne encephalitis virus transmission by tick salivary gland extracts. Medical & Veterinary Entomology 7, 193-196. |
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Labuda, M., Nuttall, P.A., Kozuch, O., Elecková, E., Williams, T., Zuffová, E. & Sabó, A. (1993) Non-viremic transmission of tick borne encephalitis: a mechanism for arbovirus virus survival in nature. Experientia 49, 802-805. |
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Jones, L.D., Chuma, T., Hails, R., Williams, T., & Roy, P. (1996) The non-structural proteins of bluetongue virus are a dominant source of cytotoxic T-cell peptide determinants. Journal of General Virology 77, 997-1003. |
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Jones, L.D., Williams, T., Bishop, D.H.L. & Roy, P. (1997) Baculovirus-expressed nonstructural protein NS2 of bluetongue virus induces a cytotoxic T-cell response in mice which affords partial protection. Clinical & Diagnostic Laboratory Immunology 4, 297-301. |
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Bond, J.G., Rojas, J.C., Arredondo-Jiménez, J.I., Quiroz-Martínez, H., Valle, J. & Williams, T. (2004) Population control of the malaria vector Anopheles pseudopunctipennis by habitat manipulation. Proceedings of the Royal Society B: Biological Sciences 271, 2161-2169. |
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Bond, J.G., Arredondo-Jiménez, J.I., Rodríguez, M.H., Quiroz-Martínez, H. & Williams, T. (2005) Oviposition habitat selection for a predator refuge and food source in a mosquito. Ecological Entomology 30, 255-263. |
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Bond, J.G., Novelo-Gutiérrez, R., Ulloa, A., Rojas, J.C., Quiroz-Martínez, H. & Williams, T. (2006) Diversity, abundance and disturbance response of Odonata associated with breeding sites of Anopheles pseudopunctipennis (Diptera: Culicidae) in southern Mexico. Environmental Entomology 35, 1561-1568. |
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Bond, J.G., Quiroz-Martínez, H., Rojas, J.C., Valle, J., Ulloa, A. & Williams, T. (2007) Impact of environmental manipulation for Anopheles pseudopunctipennis Theobald control on aquatic insect communities in southern Mexico. Journal of Vector Ecology 32, 41-53. |
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Bond, J.G., Casas-Martínez, M., Quiroz-Martínez, H., Novelo-Gutiérrez, R., Marina, C.F., Ulloa, A., Orozco-Bonilla, A., Muñoz, M. & Williams, T. (2014) Diversity of mosquitoes and the aquatic insects associated with their oviposition sites along the Pacific coast of Mexico. Parasites & Vectors 7, 41 (ERRATUM). |
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Bond, J.G., Ramírez-Osorio, A., Marina, C.F., Fernández-Salas, I., Liedo, P., Dor, A. & Williams, T. (2017) Efficiency of two larval diets for mass-rearing of the mosquito Aedes aegypti. PLoS ONE 12, e0187420. |
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Bond, J.G., Ramírez-Osorio, A., Avila, N., Gómez-Simuta, Y., Marina, C.F., Fernández-Salas, I., Liedo, P., Dor, A., Carvalho, D.O., Bourtzis K. & Williams, T. (2019) Optimization of irradiation dose to Aedes aegypti and Ae. albopictus in a sterile insect technique program. PLoS One 14, e0212520. |
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Valtierra-de-Luis, D., Villanueva, M., Lai, L., Williams, T., Caballero, P. (2020) Potential of Cry10Aa and Cyt2Ba, two minority δ-endotoxins produced by Bacillus thuringiensis ser. israelensis, for the control of Aedes aegypti larvae. Toxins 12, 355. |
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Marina, C.F., Bond, J.G., Hernández-Arriaga, K., Valle, J., Ulloa, A., Fernández-Salas, I., Carvalho, D.O., Bourtzis, K., Dor, A., Williams, T. & Liedo, P. (2021) Population dynamics of Aedes aegypti and Aedes albopictus in two rural villages in southern Mexico: baseline data for an evaluation of the sterile insect technique. Insects 12, 58. |
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Bond, J.G., Aguirre-Ibáñez, S., Osorio, A.R., Marina, C.F., Gómez-Simuta, Y., Tamayo-Escobar, R., Dor, A., Liedo, P., Carvalho, D.O. & Williams, T. (2021) Sexual competitiveness and induced egg sterility by Aedes aegypti and Aedes albopictus gamma-irradiated males: a laboratory and field study in Mexico. Insects 12, 145. |
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Marina, C.F., Liedo, P., Bond, J.G., Osorio, A.R., Valle, J., Angulo-Kladt, R., Gómez-Simuta, Y., Fernández-Salas, I., Dor, A. & Williams, T. (2022) Comparison of ground release and drone-mediated aerial release of Aedes aegypti sterile males in southern Mexico: efficacy and challenges. Insects 13, 347. |
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Bond, J.G., Osorio, A.R., Marina, C.F., Dor, A., Liedo, P., & Williams, T. (2024) Egg number quantification for mass-rearing of Aedes aegypti and Aedes albopictus: validation by direct measurement. International Journal of Pest Management 70 (1), 1–6. https://doi.org/10.1080/09670874.2022.2155725 |
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| Predators, parasitoids, pathogens | |||||||||||
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Williams, T. (1991) Host selection and sex ratio in a heteronomous hyperparasitoid. Ecological Entomology 16, 377-386. |
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Williams, T. & Cory, J.S. (1991) A new record of hymenopterous parasitism of an immature blackfly (Diptera: Simuliidae). Entomologist's Gazette 42, 220-221. |
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Mwango, J., Williams, T. & Wiles, P.R. (1995) A preliminary study of the predator-prey relationship of watermites (Acari: Hydrachnidae) and blackfly (Diptera: Simuliidae) larvae. The Entomologist 114, 107-117. |
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Williams, T. (1995) The biology of Encarsia tricolor: an autoparasitoid of whitefly. Biological Control 5, 209-217. |
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Penagos, D.I. & Williams, T. (1995) Factores clave en la biología de los hiperparasitoides heterónomos (Hym.: Aphelinidae): Agentes para el control biológico de mosquita blanca y escamas. Acta Zoológica Mexicana 66, 31-57. |
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Williams, T. & Polaszek, A. (1996) A re-examination of host relations in the Aphelinidae (Hymenoptera: Chalcidoidea). Biological Journal of the Linnean Society 57, 35-45. |
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Williams, T. (1996) Invasion and displacement of experimental populations of a conventional parasitoid by a heteronomous hyperparasitoid. Biocontrol Science & Technology 6, 603-618. |
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Williams, T. (1996) A test of kin recognition in a heteronomous hyperparasitoid. Entomologia Experimentalis et Applicata 81, 239-241. |
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Toledo, J., Liedo, P., Williams, T. & Ibarra, J. (1999) Toxicity of Bacillus thuringiensis b-exotoxin to three species of fruit flies (Diptera: Tephritidae). Journal of Economic Entomology 92, 1052-1056. |
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Henaut, Y., Alauzet, C., Ferran, A. & Williams, T. (2000) The effect of larval diet on adult predation behavior in Orius majusculus (Heteroptera: Anthocoridae). Journal of Economic Entomology 93, 252-255. |
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Edgington, S., Segura, H., De la Rosa, W. & Williams, T. (2000) Photoprotection of Beauveria bassiana: testing simple formulations for control of the coffee berry borer. International Journal of Pest Management 46, 169-176. |
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De la Rosa, W., Segura H.R., Barrera J.F. & Williams, T. (2000) Laboratory evaluation of the impact of entomopathogenic fungi on Prorops nasuta (Hymenoptera: Bethylidae), a parasitoid of the coffee berry borer. Environmental Entomology 29, 126-131. |
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Henaut, Y., Pablo, J., Ibarra-Nuñez, G. & Williams, T. (2001) Retention, capture and consumption of experimental prey by orb-web weaving spiders in coffee plantations of Southern Mexico. Entomologia Experimentalis et Applicata 98, 1-8. |
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Zenil, M., Liedo, P., Williams, T., Valle, J., Cancino, J., & Montoya, P. (2004) Reproductive biology of Fopius arisanus (Hymenoptera: Braconidae) on Anastrepha spp. and Ceratitis capitata (Diptera: Tephritidae). Biological Control 29, 169-178. |
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Meza, J.L., Barrera, J.F., Pérez-Lachaud, G. & Williams, T. (2004) Parasitism of the coffee berry borer Hypothenemus hampei by Trichogramma pretiosum in the laboratory. Biocontrol Science & Technology 14, 409-416. |
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Hénaut, Y., Delme, J., Legal, L. & Williams, T. (2005) Host selection by a kleptobiotic spider. Naturwissenschaften 92, 95-99. |
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Dor, A., Machkour-M’Rabet, S., Legal, L., Williams, T. & Hénaut, Y. (2008) Chemically-mediated burrow recognition in the Mexican tarantula Brachypelma vagans female. Naturwissenschaften 95, 1189–1193. |
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Jourdie, V., Alvarez, N., Molina-Ochoa, J., Williams, T., Bergvinson, D., Benrey, B., Turlings, T.C.J., Franck, P. (2010) Population genetic structure of two primary parasitoids of Spodoptera frugiperda (Lepidoptera), Chelonus insularis and Campoletis sonorensis (Hymenoptera): to what extent is the host plant important? Molecular Ecology 19, 2168–2179. |
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Caballero, J., Jiménez-Moreno, N., Orera, I., Williams, T., Fernández, A.B., Villanueva, M., Ferré, J., Caballero, P. & Ancín-Azpilicueta, C. (2020) Unraveling the composition of insecticidal crystal proteins in Bacillus thuringiensis: a proteomics approach. Applied & Environmental Microbiology 86, e00476-20. |
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| Flies of agricultural importance: biology & control | |||||||||||
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Toledo, J., Ibarra, J.E., Liedo, P., Gómez, A., Rasgado, M.A. & Williams, T. (2005) Infection of Anastrepha ludens (Diptera: Tephritidae) larvae by Heterorhabditis bacteriophora (Rhabditida: Heterorhabditidae) under laboratory and field conditions. Biocontrol Science & Technology 15, 627-634. |
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Toledo, J., Rasgado, M.A., Ibarra, J.E., Gómez, A., Liedo, P. & Williams, T. (2006) Infection of Anastrepha ludens following soil applications of Heterorhabditis bacteriophora in a mango ochard. Entomologia Experimentalis et Applicata 119, 155-162. |
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Toledo, J., Williams, T., Pérez, C., Liedo, P., Valle J. & Ibarra J.E. (2009) Abiotic factors affecting the infectivity of Steinernema carpocapsae (Rhabditida: Steinernematidae) on larvae of Anastrepha obliqua (Diptera: Tephritidae). Biocontrol Science & Technology 19, 887-898. |
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Pascacio-Villafán, C., Lapointe, S., Williams, T., Sivinski, J., Niedz, R. & Aluja, M. (2014) A mixture-amount design and response surface modeling to assess the effects of flavonoids and phenolic acids on developmental performance of Anastrepha ludens (Diptera: Tephritidae). Journal of Chemical Ecology 40, 297–306. |
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Toledo, J., Sánchez, J.E., Williams, T., Gómez, A., Montoya, P., & Ibarra, J.E. (2014) Effect of soil moisture on the persistence and efficacy of Heterorhabditis bacteriophora (Rhabditida: Heterorhabditidae) against Anastrepha ludens (Diptera: Tephritidae) larvae. Florida Entomologist 97, 528-533. |
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Pascacio-Villafán, C., Williams, T., Sivinski, J., Birke, A., Aluja, M. (2015) Costly nutritious diets do not necessarily translate into better performance of artificially reared fruit flies (Diptera: Tephritidae). Journal of Economic Entomology 108, 53-59. |
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Pascasio-Villafán, C., Williams, T., Birke, A. & Aluja, M. (2016) Nutritional and non-nutritional food components modulate phenotypic variation but not physiological trade-offs in an insect. Scientific Reports 6, 29413. |
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Lasa, R., Tadeo, E., Dinorín L.A., Lima, I. & Williams, T. (2017) Fruit firmness, superficial damage and location modulate infestation by Drosophila suzukii and Zaprionus indianus (Diptera: Drosophilidae): the case of guava Psidium guajava L., in Veracruz, Mexico. Entomologia Experimentalis et Applicata 162, 4-12. |
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Pascacio-Villafán, C., Birke, A., Williams, T. & Aluja, M. (2017) Modeling the cost-effectiveness of insect rearing on artificial diets: a test with a tephritid fly used in the sterile insect technique. PLoS ONE 12, e0173205. |
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Pascacio-Villafán, C., Guillén, L., Williams, T. & Aluja, M. (2018) Effects of larval density and support substrate in liquid diet on productivity and quality of artificially-reared Anastrepha ludens (Diptera: Tephritidae). Journal of Economic Entomology 111, 2281-2287. |
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Díaz-Fleischer, F., Arredondo, J., Lasa, R., Bonilla, C., Debernardi, D., Pérez-Staples, D. & Williams, T. (2019) Sickly sweet: insecticidal polyols induce lethal regurgitation in dipteran pests. Insects 10, 53. |
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Lasa, R., Toledo-Hernández, R.A., Rodríguez, D. & Williams, T. (2019) Raspberry as a source for the development of Drosophila suzukii attractants: Laboratory and commercial polytunnel trials. Insects 10, 137. |
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Lasa, R., Navarro-de-la-Fuente, L., Gschaedler-Mathis, A.C., Kirchmayr, M.R. & Williams, T. (2019) Yeast species, strains and growth media mediate attraction of Drosophila suzukii (Diptera: Drosophilidae). Insects 10, 228. |
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Lasa, R., Gschaedler-Mathis, A.C., Bello, G. & Williams, T. (2020) Laboratory evaluation of trap color and vinegar, yeast and fruit juice lure combinations for monitoring of Zaprionus indianus (Diptera: Drosophilidae). International Journal of Pest Management 66, 279–287. |
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Lasa, R., Aguas-Lanzagorta, S., & Williams, T. (2020) Agricultural-grade apple cider vinegar is remarkably attractive to Drosophila suzukii (Diptera: Drosophiliadae) in Mexico. Insects 11, 448. 279–287. |
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Lasa, R. & Williams, T. (2021) Does ammonia released from protein-based attractants modulate the capture of Anastrepha obliqua (Diptera: Tephritidae)? Insects 12, 156. |
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Lasa, R. & Williams, T. (2021) Addition of ammonium acetate to protein-borax baited traps does not improve attraction of Anastrepha obliqua or Anastrepha serpentina (Diptera: Tephritidae). Journal of Insect Science 21, 13. |
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Lasa, R. & Williams, T. (2022) Alkaline hydrolyzed torula yeast as an attractant for Anastrepha obliqua (Diptera: Tephritidae). Journal of Applied Entomology 146, 676-686. |
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Lasa, R. & Williams, T. (2022) Comparación de atrayentes para Anastrepha obliqua (Diptera: Tephritidae): ¿existe un atrayente mejor que el CeraTrap? Acta Zoológica Mexicana 38, e3812566. |
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Córdova-García, G., Navarro-de-la-Fuente, L., Pérez-Staples, D., Williams, T., Lasa, R. (2023) Biology and ecology of Delia planipalpis (Stein) (Diptera: Anthomyiidae), an emerging pest of broccoli in Mexico. Insects 14, 659. |
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Lasa, R. & Williams, T. (2024) Efficacy of alkaline hydrolyzed torula yeast for monitoring Anastrepha spp. (Diptera: Tephritidae). Entomologia Experimentalis et Applicata 172, 261–269. https://doi.org/10.1111/eea.13404 |
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Lasa, R., Aguas-Lanzagorta, S. & Williams, T. (2024) Fly responses to food color, orientation, and toxic bait composition in Drosophila suzukii. Journal of Applied Entomology 148, 339–350. https://doi.org/10.1111/jen.13229 |
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Lasa, R., Rull, J., Suárez, L., Mello Garcia, F.R., Williams, T. & Díaz-Fleischer, F. (2024). Monitoring and mass trapping of fruit flies (Diptera: Tephritidae) in the Americas. In: Mello Garcia, F.R. (ed.) Management of Fruit Flies in the Americas. Springer, Switzerland. pp. 67-126. https://doi.org/10.1007/978-3-031-48608-1_3 |
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Lasa, R., Córdova, G., Navarro-de-la-Fuente, L. & Williams, T. (2024) Sticky traps and water pan traps to monitor Delia planipalpis (Diptera: Anthomyiidae), an emerging pest of broccoli in Mexico. Crop Protection 176, 106495. https://doi.org/10.1016/j.cropro.2023.106495 |
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Lasa, R., Córdova-García, G. & Williams, T. (2025) Laboratory evaluation of insecticides for the control of Delia planipalpis (Diptera: Anthomyiidae), a nascent pest of broccoli in Mexico. The Canadian Entomologist 157, e2. https://doi.org/10.4039/tce.2024.43 |
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MacGowan, I., Navarro-de-la-Fuente, L., Williams, T. & Lasa, R. (2025) A new species of Neosilba (Diptera, Lonchaeidae) associated with fig orchards in Mexico. Zootaxa 5583(1), 195-200. https://doi.org/10.11646/zootaxa.5583.1.12 |
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Lasa, R., Navarro-de-la-Fuente, L., MacGowan, I. & Williams, T. (2025) A complex of lance flies (Diptera: Lonchaeidae) infesting figs in Veracruz, Mexico, with the description of a new species. Insects 16, 458; https://doi.org/10.3390/insects16050458. |
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Díaz-del-Castillo, R., Córdova-García, G., Pérez-Staples, D., Birke, A., Williams, T. & Lasa, R. (2025) Sexual development of Silba adipata (Diptera: Lonchaeidae): effects of diet, ultraviolet light and fig latex. Insects 16, 495. https://doi.org/10.3390/insects16050495 |
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Díaz-del-Castillo, R., Córdova-García, G., Pérez-Staples, D., Birke, A., Williams, T. & Lasa, R. (2025) Color and attractant preferences of the black fig fly, Silba adipata: Implications for monitoring and mass trapping of this invasive pest. Insects 16, 732. https://doi.org/10.3390/insects16070732 |
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Lasa, R., Navarro-de-la-Fuente, L., MacGowan, I. & Williams, T. (2025) Avocado sustains a complex of Neosilba spp. (Diptera: Lonchaeidae) in Veracruz, Mexico. Agronomy 15, 2476. https://doi.org/10.3390/agronomy15112476 |
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| Others | |||||||||||
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Shillito-Walser, E., Walters, E., Hague, P. & Williams, T. (1985) Responses of lambs to model ewes. Behaviour 95, 110-120. |
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Shillito-Walser, E. & Williams, T. (1986) Pair-association in twin lambs before and after weaning. Applied Animal Behaviour Science 15, 241-245. |
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Williams, T. & Franks, N.R. (1988) Population size and growth rate, sex ratio and behaviour in the ant isopod Platyarthrus hoffmannseggi. Journal of Zoology 215, 703-717. |
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Williams, T. & Hails, R.S. (1994) Biological control and refuge theory. (Technical Comment). Science 265, 811-812. |
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Chapman, J.W., Williams, T., Escribano, A., Caballero, P., Cave, R.D. & Goulson, D. (1999) Fitness consequences of cannibalism in the fall armyworm, Spodoptera frugiperda. Behavioral Ecology 10, 298-303. |
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Chapman, J.W., Williams, T., Martínez, A.M., Cisneros, J., Caballero, P., Cave, R.D. & Goulson, D. (2000) Does cannibalism in Spodoptera frugiperda reduce the risk of predation? Behavioural Ecology & Sociobiology 48, 321-327. |
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Zúñiga, J.A., Barrera, J.F., Valle, J. & Williams, T. (2002) Estimating populations of Idiarthron subquadratum (Orthoptera: Tettigoniidae) using mark-recapture methods in coffee plantations in Chiapas, Mexico. Environmental Entomology 31, 515-522. |
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Penagos, D.I., Magallanes, R., Valle, J., Cisneros, J., Martínez, A.M., Goulson, D., Chapman, J.W., Caballero, P., Cave, R.D. & Williams, T. (2003) Effect of weeds on insect pests of maize and their natural enemies in Southern Mexico. International Journal of Pest Management 49, 155-161. |
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Martínez, A.M., Caballero, P. & Williams, T. (2004) Effects of an optical brightener on the development, body weight and sex ratio of Spodoptera frugiperda (Lepidoptera: Noctuidae). Biocontrol Science & Technology 14, 193-200. |
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Williams, T. & Aluja, M. (2010) Contrasting views on Mexico's National System of Researchers. Letter to the Editor. Interciencia 35, 157-158. |
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Williams, T., Arredondo-Bernal, H.C., and Rodríguez-del-Bosque, L.A. (2013) Biological pest control in Mexico. Annual Review of Entomology 58, 119-140. |
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Rodríguez-del-Bosque, L.A., Arredondo H., Williams, T., Barrera J.F. (2015) Pasado, presente y perspectivas del control biológico en México. En: Casos de Control Biológico en México, Vol 2 (Ed: H. Arredondo & L.A. Rodríguez-del-Bosque). Editorial Colegio de Postgraduados, Mexico, pp. 17-28. |
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Fuentes, E.G., Hernández-Suárez, E., Simón, O., Williams, T., & Caballero, P. (2018) Chrysodeixis chalcites, a pest of banana crops on the Canary Islands: Incidence, economic losses and current control measures. Crop Protection 108, 137-145. |
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López-Ortega, M. & Williams, T. (2018) Natural enemy defense, provisioning and oviposition site selection as maternal strategies to enhance offspring survival in a sub-social bug. PLoS One 13, e0195665. |
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Williams, T. & Morrone, J.J. (2018) Science is strengthened by Mexico's researcher evaluation system: factual errors and misleading claims by Neff. Science and Public Policy 45, 742–745 |
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Carrión-Villarnovo, G.L., Williams, T., Mercado-Vidal, G.L., Valenzuela-Gonzalez, J.E. & Villain, L. (2020) Implemento de un manejo integrado de plagas y enfermedades en cafetales de la zona centro del Estado de Veracruz, pp. 333-360. In: Diagnóstico, Productividad y Ambiente en Cafetales: estudios regionales y de caso. Eds. López-Morgado, R. & Díaz-Padilla, G., INIFAP, Ciudad de México, México. ISBN 978-607-37-1190-6 279–287. |
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Kenis, M., Benelli, G., Biondi, A., et al. (2023) Invasiveness, biology, ecology, and management of the fall armyworm, Spodoptera frugiperda. Entomologia Generalis 43, 187-241. |
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