The survival of major predaceous arthropods (bigeyed bug, Heteroptera:Lygaeidae; damsel bug, Heteroptera:Nabidae; lady beetle, Coleoptera:Coccinellidae; and spiders) was observed after 1 and 2 applications of insecticides were applied to B.t. cotton and soybean in 1996. Insecticides included recommended rates of Confirm, Mattch, Provado, Larvin, Curacron, Gemstar, Dimilin, Tracer, Karate, Pirate, methyl parathion, Ovasyn, Lannate, Vydate, Orthene, Karate + methyl parathion, and Karate + Pirate. Overall results indicated these materials have a wide range of effect on beneficial species. With bigeyed bugs on cotton, Confirm, Tracer, Gemstar, Mattch, Provado and Pirate had the least effect after one application. Karate and Karate + Pirate had the greatest effect. After a second application, Curacron, Pirate, methyl parathion, Karate and Karate + Pirate significantly reduced this species compared to the untreated check. Confirm and Gemstar had the least effect.