Attraction of the German Cockroach, Blattella germanica (Orthoptera: Blatellidae), to Some Volatile Food Components

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Abstract:

Visits to two feeding stations by individuals from a growing population of Blattella Germanica (L.) were enumerated, aided by a closed-circuit video system. The control station contained a pellet of a dry dog food diet only, whereas the other station-contained, in addition, a sample of a food component being tested for its ability to attract. Observation were recorded for 6 h per test, with each candidate substance tested once at each station. A positive response was tallied each time an individual entered the test station, and a negative response for each entry to the control station. Of the 30 substances tested, only 4 elicited 60% or more positive responses: oleyl alcohol, palmitic acid, fenugreek seed alcohol extract, and elaidic acid methyl ester. These substances were reevaluated by using a two-choice olfactometer. In these further tests cockroaches could follow one of two air flows towards its origin after one flow had passed through a source of the candidate substance. All latter tests demonstrated independence.

Document Type: Research Article

Publication date: August 1, 1983

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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