*Department of Entomology, Chandra Shekhar Azad University of Agriculture and Technology, Kanpur-208002, UP
Department of Entomology and Agricultural Zoology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi-221005, Uttar Pradesh, India
Online published on 19 December, 2013.
Insecticides profenofos, imidacloprid, thiamethoxam, cypermethrin and lambdacyhalothrin were found highly toxic to adult wasps of Trichogramma chilonis Ishii with 100% mortality within 2 h of exposure. Pyridalyl was the only insecticide harmless to adults with less than 30 per cent mortality even after 24 handmay be recommended for field use. However, the applications of remaining insecticides need to be discouraged.
Pyridalyl, insecticides, Trichogramma chilonis, biosafety, mortality
