Friday, January 12, 2007 - 11:15 AM

New Compounds for Capturing Southern Green Stink Bugs in Baited Traps

Glynn Tillman1, Jeffrey Aldrich2, Ashot Khrimian2, and Ted Cottrell2. (1) USDA, ARS, P.O. Box 748, Tifton, GA 31793, (2) USDA-ARS, BARC-West, B-007, rm301, 10300 Baltimore Ave, Beltsville, MD 20705

In the U. S., the southern green stink bug, Nezara viridula, has increased in importance as a pest in cotton. A capture trap could possibly be a useful tool for monitoring and/or controlling populations of these stink bugs in cotton. Therefore, a test was conducted to evaluate the ability of yellow pyramidal traps baited with various compounds to capture southern green stink bugs. The four treatments included methyl (E,E,Z)-2,4,6-decatrienoate plus methyl (E,Z)-2,4-decadienoate (EEZ Plus), methyl (E,E,Z)-2,4,6-decatrienoate (EEZ), methyl (E,Z)-2,4-decadienoate (EZ), and a solvent control. The test was conducted in a sweet corn field 600 ft long by 6 rows deep. This corn field was divided into twenty plots each 30 ft. long by 6 rows deep. A trap was placed in row 6 of the sweet corn in the middle of the length-of-row. Each treatment was replicated 5 times. Two trials were conducted. Each trial was run until stink bugs were no longer found in traps. The number of southern green stink bugs in EEZ Plus traps was significantly higher than that for all other trap treatments in trial 1. In the second trial, the number of stink bugs in EEZ Plus traps was significantly higher than that for EZ traps and the control at the 5% level. However, EEZ was significantly different from EEZ Plus and EZ at the 10% level. For EEZ Plus traps in both trials, about half the stink bugs initially found in the plots were captured in traps. Results from both these trials indicate that traps baited with EEZ Plus captured more southern green sink bugs compared to the other treatments.

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