Wednesday, 20 November 2002

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

Species richness and abundance of tachinid parasitoids of forest macrolepidoptera during a 7-year nontarget study

John S. Strazanac1, D.M. Wood2, and Linda Butler1. (1) West Virginia University, Entomology Department, Plant and Soil Sciences, Agricultural Sciences Building, Morgantown, WV, (2) Agriculture Canada, Research Branch, KW Neatby Building, 960 Carling Ave, Ottawa, ON, Canada

In a long-term nontarget study initiated in 1995 on the effects of Lymantria dispar (L.) and its control with applications of Bacillus thuringiensis var. kurstaki Berliner, parasitoids were sampled by Malaise traps and through rearing of macrolepidopterous larvae. Sampling was performed on 18 200-ha study plots located in the George Washington National Forest in Virginia and Monongahela National Forest in West Virginia in the central Appalachians. Tachinid flies known to attack macrolepidoptera tend to fluctuation in abundance in response to their potential host population fluctuations.

Species 1: Diptera Tachinidae
Species 2: Lepidoptera
Keywords: forest, parasitoid

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