Test Release of Itoplectis quadricingulatus1 Against European Pine Shoot Moth2 in an Isolated Infestation3

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A total of 5365 female Itoplectis quodricingulatus (Pro- vancher) was released on a 40-acre site over a 7-week period when pupae of the European pine shoot moth, Rhyacionia buoliana (Schiffermiiller), were present. Activ- ity and parasitizing ability of the parasites were estimated from weekly parasitization of wax moth pupae hung from tree branches. Effectiveness of the release against shoot moth was evaluated by comparing parasitization of shoot moth pupae in exposed and caged branches. About 50% of the wax moth pupae but only 30% of the shoot moth pupae were killed by I. quodricingulatus.

Document Type: Research Article

Publication date: October 1, 1970

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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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