Assessing the Quality of Mass-Reared Codling Moths (Lepidoptera: Tortricidae) by Using Field Release-Recapture Tests

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Following small-scale field releases of sterile, mass-reared codling moths, Cydia Pomonella (L.), in the spring of 1995, significantly higher numbers of adults originating from larvae that had been induced into diapause were recaptured in passive interception traps compared with standard (nondiapaused) colony moths reared under either constant or fluctuating temperatures. When releases were made in the summer, significantly more diapaused females were again recaptured and similar numbers of diapaused and fluctuating temperature-reared standard males were trapped. Our field data showed that both male and female codling moths dispersed farther as ambient temperatures increased. When standard and diapaused sterile codling moths were released into replicated l-ha plots under large-scale Sterile Insect Release program conditions in the summer and fall of 1996 and the spring of 1997, the proportion of recaptured diapaused males was significantly higher than for standard (nondiapaused) moths. This was true for recapture of males with passive interception, pheromone-baited, and virgin female-baited traps.

Document Type: Research Article

Publication date: October 1, 1998

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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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