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A Collecting Technique for Pink Bollworms and Other Insects Using a Berlese Funnel with an Improved Heater1

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Abstract:

Diapause pink boll worm (Pectinophora gossypiella (Saund.)), larvae were activated prior to the Berlese funnel treatment by exposing moist, infested material to 80° to 100° F. for 70 to 140 hours. This activation did not necessarily break the diapause. Through the use of heat, larvae of nondiapause pink boll worm, boll weevil (Anthonomus grandis Boh.), greater wax moth (Galleria mellonella (L.)), a phorid fly (Megaselia sp.), and saprophagous flies were forced out of infested material with little difficulty. A heater using a Nichrome wire grid which gave uniform heat was devised for large Berlese funnels, thus allowing large amounts of insect-infested material to be processed with high larval yield.

Document Type: Research Article

Publication date: October 1, 1959

More about this publication?
  • 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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