Tuesday, 19 November 2002
D0347

This presentation is part of : Display Presentations, Subsection Cd. Behavior and Ecology

Portable electroantennogram measurement of gypsy moth pheromone aerially applied for mating disruption

Kevin W. Thorpe, USDA ARS, Insect Biocontrol Lab, Building 306, Barc-East, Beltsville, MD, Uwe Koch, University of Kaiserslautern, Kaiserslautern, Germany, Jan Van der Pers, Syntech, Hilversum, Netherlands, and Ksenia Tcheslavskaia, Virginia Tech University, Department of Entomology, 216 Price Hall, Virginia Tech, Blacksburg, VA.

A portable electroantennogram (EAG) device was used to measure relative pheromone concentration in forest plots treated aerially with plastic laminate flakes impregnated with disparlure at doses of 75 and 38 g a.i./ha. A pulley system was used to raise the EAG into the forest canopy to measure differences in pheromone concentration at different heights. Levels of pheromone were significantly higher in the canopy than at ground level, and were highest in plots treated at the higher dose.

Species 1: Lepidoptera Lymantriidae Lymantria dispar (gypsy moth)
Keywords: disparlure, electroantennogram

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