Comparative Toxicity of Novel Molecules and Conventional Insecticides Against Spotted Bollworm, Earias vittella (Fabricius)

New molecules having novel mode of action along with conventional insecticides were bioassayed against 5-day old larvae of Earias vittella (Fabricius) by ‘Potters tower spray method’. Based on the LC₅₀ values, abamectin, betacyfluthrin, emamectin benzoate and spinosad were found highly toxic to the test insect. The LC₅₀ values of abamectin, betacyfluthrin, emamectin benzoate, spinosad, cypermethrin, endosulfan, lambda cyhalothrin, chlorpyriphos, indoxacarb, and fipronil were 0.0001, 0.0001, 0.0004, 0.0004, 0.0006, 0.0017, 0.0027, 0.0032, 0.0237 and 0.0409%, respectively.