East Baton Rouge Mosquito Abatement and Rodent Control 1 article published in JoVE Environment Visualizing Efficacy of Pesticides Against Disease Vector Mosquitoes in the Field Seth C. Britch1, Kenneth J. Linthicum1, Robert L. Aldridge1, Frances V. Golden1, Todd W. Walker2 1Mosquito & Fly Research Unit, United States Department of Agriculture, Agricultural Research Service Center for Medical, Agricultural, & Veterinary Entomology, 2East Baton Rouge Mosquito Abatement and Rodent Control The efficacy of public health pesticides targeting nuisance and disease-vector insects is not uniform across different ecological zones. Here we present a system of techniques using captive vector insects as sentinels for pesticide efficacy to derive electronic maps supporting the standard evaluation of pesticides across multiple environments.