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Activity of Avermectin B1 Against Codling Moth (Lepidoptera: Olethreutidae)

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Avermectin B1 was tested against codling moth, Cydia pomonella (L.), eggs and larvae in the laboratory and field. Complete mortality occurred in neonate and 10-day-old larvae when concentrations >0.05 and 0.32 ppm, respectively, were incorporated into larval diet. Concentrations of 0.025 in the diet allowed survival to the adult stage, but egg production from individuals treated both as neonate and 10-day-old larvae was markedly reduced. Topical applications to 7-day-old larvae were toxic at concentrations >5 ppm, but topical applications to eggs were toxic only at concentrations > 100 ppm. When immature 'Golden Delicious' apples were treated with 10 ppm and infested with neonate larvae, successful penetration was reduced and mortality increased over those on untreated fruit. Results of field tests suggest that low treatment levels of averpectin B1 may be useful against codling moth in the orchard ecosystem, even in areas with high populations.

Document Type: Research Article

Publication date: October 1, 1985

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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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