Juan. D. Lopez1, Mohamed A. Latheef1, and Bill Ree2. (1) USDA-ARS, USDA-ARS, 2771 F&B Road, College Station, TX 77845, (2) Texas A&M Co-operative Extension, 2619 Hwy 21 W, Bryan, TX 77803
Adult bioassays were conducted to evaluate toxicity of selected insecticides to brown stink bug, Euschistus servus, and Southern green stink bug, Nezara viridula, collected in blacklight traps operated in the Brazos Valley of Texas during 2006 and 2007. Lethal concentration values (LC50) were determined for species, gender and temporal variation comparing technical and formulated insecticides.