Effects of CO2, Chilling, and Staining on Codling Moths to be Used for Sterile Releases

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Abstract:

Eosin Y which is used as a marker for the sterile Laspeyresia pomonella (L.) used in releases significantly reduced the average longevity of the males (by 0.8 days), the number of matings (by 0.5), the number of eggs per female (by 14), and the percent hatch of eggs (by 13%) in studies with nonirradiated moths. Chilling was superior to CO2 as an immobilizing agent when either agent was follwed by the staining treatment, because it did not significantly reduce the number of matings; CO2 + staining reduced the average number of matings per female by 0.8. The effect of combining the treatments was additive.

Document Type: Research Article

Publication date: December 15, 1970

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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