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1 September 2016 Efficacy of Five Insecticides Targeting Spring and Fall Populations of Sugarcane Beetle Adults
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Abstract

Sugarcane beetle (Euetheola rugiceps LeConte; Coleoptera: Scarabaeidae) is a pest of turfgrass in the southeastern United States. This study was conducted to evaluate the toxicity of 5 products for sugarcane beetle pest management in managed bermudagrass (Cynodon dactylon L.; Poaceae). Spring and fall populations of sugarcane beetle adults were exposed to 4 active ingredients and combinations (bifenthrin, bifenthrin plus clothianidin, carbaryl, clothianidin, and dinotefuran) under greenhouse conditions. At 7 d after treatment, there were no significant differences among insecticide treatments applied to spring beetles at either a low or a high field rate, although all insecticides caused a significant increase in beetle mortality relative to untreated (control) beetles. In contrast, bifenthrin caused significantly greater control of fall populations at the low field rate compared with other treatments. Target population (spring or fall) appears to have more impact on pesticide efficacy than either product selection or application rate.

Terri Billeisen and Rick Brandenburg "Efficacy of Five Insecticides Targeting Spring and Fall Populations of Sugarcane Beetle Adults," Florida Entomologist 99(3), 563-565, (1 September 2016). https://doi.org/10.1653/024.099.0338
Published: 1 September 2016
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