Impact of Chloronicotinyl Insecticide, Imidacloprid on Egg, Egg-Larval and Larval Parasitoids Under Laboratory Conditons

Abstract

Laboratory studies were carried out to compare the toxicity of the chloronicotinyl insecticide, imidacloprid on parasitoids. The studies took place at the Tamil Nadu Agricultural University, Coimbatore from 2006-2007. Imidacloprid was tested against three beneficial insects viz., an egg parasitoid, egg larval parasitoid and a larval parasitoid representing two families of Hymenoptera: