Monday, December 10, 2007 - 9:41 AM

Field bioassays on ALB male-produced pheromone

Maya Nehme,, PennState University, Entomology Dept/ CI-ED, 218 Waring Ave, Riad El Solh 11072020, State College, PA, Lebanon, Kelli Hoover,, Pennsylvania State University, Entomology, 0521 AG SCI & IND BLDG, University Park, PA, Aijun Zhang, Aijun.Zhang@ARS.USDA.GOV, USDA-ARS, Plant Sciences Institute, Invasive Insect Biocontrol and Behavior Laboratory, Bldg. 007, Rm.312, BARC-West, 10300 Baltimore Ave, Beltsville, MD, and Melody A. Keena,, USDA Forest Service, Northern Research Station, 51 Mill Pond Road, Hamden, CT.

The Asian Longhorned Beetle (ALB), Anoplophora glabripennis (Coleoptera: Cerambycidae), is an exotic species introduced into the U.S. from China that has caused the destruction of thousands of shade trees. Monitoring for this insect is critical for early detection of new infestations. In 2002, two male-produced volatiles were isolated from ALB that elicited strong gas chromatographic-electroanntennographic responses from both sexes of beetles. The components were synthesized and consisted of an aldehyde (4-(n-heptyloxy)butanal) and an alcohol (4-(n-heptyloxy) butan-1-ol). Behavioral tests conducted in the laboratory in 2006 showed a significant attraction of virgin females ALB toward (4-(n-heptyloxy) butan-1-ol (P<0.05). In July 2007, field trapping experiments using ALB male-produced pheromone were performed in Ningxia province in China. A pheromone blend of 1:1 (v:v) of the alcohol and the aldehyde was compared to each component alone. Controls consisted of empty traps and traps with caged live insects, males or females separately. Trapping was conducted for 15 days in a randomized complete block design. New IPM intercept PT traps were used for all treatments. Field results were highly promising and supported strongly previous lab results.

Species 1: Coleoptera Cerambycidae Anoplophora glabripennis (Asian longhorned beetle)