Evaluation of Aquatic Insect Emergence Traps1

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Performance of submerged and floating pyramidal-traps was compared with that of a new design, the staked boxtrap for estimating the emergence of midges (Chironomidae and Chaoboridae) in waste-stabilization lagoons. The box-trap and pyramidal-traps collected similar numbers of midges, but the former was superior for servicing because, after a sliding base was inserted, adults could be killed and aspirated. This technique eliminated loss of adults. Submerged traps captured only 5% as many midges as did the surface traps. Field and laboratory results indicated that dear plastic traps catch more midges than black plastic traps of similar design and arc therefore considered to give a more accurate estimate of emergence. Criteria for accurate estimation of emergence arc discussed.

Document Type: Research Article

Publication date: October 1, 1967

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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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