Tuesday, 19 November 2002 - 1:24 PM
0798

This presentation is part of : Ten-Minute Papers, Section D. Medical and Veterinary Entomology

Effect of Entomophthora muscae on sex pheromone and other cuticular hydrocarbons of the house fly, Musca domestica

Ludek Zurek1, Wes Watson1, Coby Schal1, and Stuart Krasnoff2. (1) North Carolina State University, Department of Entomology, Raleigh, NC, (2) USDA, ARS, Plant Protection Res. Unit, Tower Rd, Cornell University, Ithaca, NY

House fly males are attracted to fresh female cadavers infected with the entomopathogenic fungus, Entomophthora muscae. Both chemical and visual cues may stimulate male flies to attempt copulation. Behavioral assays demonstrated sex-specific attraction regardless of body size. We examined the effect of E. muscae infection on house fly sex pheromone, Z-9 tricosene and other cuticular hydrocarbons. Young flies accumulated less pheromone than older flies as a result of the infection. Results suggest other chemical or visual cues contribute to the attractiveness of E. muscae infected female house flies.

Species 1: Zygomycetes Entomophthoraceae Entomophthora muscae
Species 2: Diptera Muscidae Musca domestica (house fly)
Keywords: Entomopathogenic fungi, Z-9 tricosene

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