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Assessment of Three Pre-Cold Storage Preparations on the Feeding Response of Scolytus multistriatus 1 and the Degradation of Degradation 2

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Abstract:

Twig crotches collected from American elm trees, Ulmus americana L., which had been treated with dicrotophos were either frozen in liquid nitrogen or dry ice, or left unfrozen before being stored at —1O˚C for periods up to (j months. Bioassays, using the smaller European elm bark hectic. Scolytus multistriatus (Marsham), caged on twig crotches, were conducted to ascertain effects of pre-cold storage preparations, cold storage di- crotophos degradation, and dose of dicrotophos. Results suggest that prior quick-freezing of treated elm twigs is unnecessary, that —10 ˚C storage of twigs for 6 months does not appreciably affect dicrotophos toxicity, and that dose of c1icrotophos appears to be the most important factor in this beetle's feeding.

Document Type: Research Article

Publication date: June 1, 1971

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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