Iridoviruses Biology and ecology of baculoviruses Virus insecticides Spinosad Mosquitoes, blackflies, and ticks Predators, parasitoids, pathogens Others Students


Trevor Williams, página personal en español


Baculovirus-based insecticides - the Spodoptera exigua multiple nucleopolyhedrovirus (SeMNPV).

Research topics

  • Biological control of insect pests and vectors of medical importance.

  • Ecology of insect pathogenic viruses, especially baculoviruses and iridoviruses.

  • The use of insect viruses as biological insecticides and the biorational insecticide spinosad.

  • Interactions between biopesticides and other insect natural enemies.

  • The biology and ecology of insect natural enemies.


Trevor Williams homepage: biological insecticides, ecology of insect pathogenic viruses....

Bioassay of an invertebrate iridovirus (iridescent virus) in Galleria mellonella larvae.

Other activities

  • Ex-coordinator and current member of the study group on Iridoviridae for the International Committee on Taxonomy of Viruses (ICTV).

  • Sistema Nacional de Investigadores, Mexico (level III).

  • Fellow of the Royal Entomological Society, London.

  • Member of the Society for Invertebrate Pathology.



 Contact information:

January 2018


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.


PDF reprint

April 2018


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.


PDF reprint


Instituto de Ecología AC (INECOL)

Carretera Antigua a Coatepec 351

Xalapa 91070

Estado de Veracruz


Tel: (+52) 228 842 18 00 ext. 4130




INECOL website and INECOL magazine
(in Spanish)



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