Monday, 27 October 2003
D0092

This presentation is part of : Student Competition Display Presentations, Section Cd. Behavior and Ecology

A synthetic chemical attractant for the American burying beetle, Nicrophorus americanus (Coleoptera: Silphidae)

Kevin P. Miller and David J. Horn. The Ohio State University, Entomology, 318 W. 12th Ave. Room 400D, Columbus, OH

In an effort to aid in reintroduction efforts of the federally endangered Nicrophorus americanus a synthetic bait was developed to improve survey techniques. Chicken is the preferred bait for population surveys of N. americanus. It is, however, inconsistent in attractiveness and a more predictable bait would be preferred. Using headspace volatile collection, the volatiles released from 48 hour decomposed chicken were collected. These volatiles were identified using a Gas Chromatography-Mass Spectrophotometer. Wind-tunnel bioassays were performed using N. americanus to find a blend of chemicals that elicit a response most similar to that of rotten chicken. A blend of chemicals including dimethyl disulfide, dimethyl trisulfide, phenol, and indole were found to elicit such a response. The blend was found to attract beetles in the field as well.



Species 1: Coleoptera Silphidae Nicrophorus americaus (American burying beetle)
Keywords: chemical ecology, semiochemicals

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