Carbamate, organophosphate, and pyrethroid insecticides were compared for efficacy and yield in Lonoke county, Arkansas. Both in 1994 and 1995 pyrethroids in general had better control of boll weevil than organophosphate and carbamate insecticides. In particular, Baythroid at low and high rates provided superior control compared to Vydate C-LV at 0.25 lb ai/A and Guthion 2L at 0.25 lb ai/A.