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Insecticides Applied to Western Tussock Moth1 Reared on Artificial Diet: Laboratory Tests2

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Eighteen insecticides were tested on 4th-stage larvae of Hemerocampa vetusta (Boisduval). Eleven insecticides were highly toxic: pyrethroids were the most toxic. Six other insecticides gave toxicity indexes between 48 and 68 Four were only slightly more toxic than DDT. Two of the insecticides killed less than 50% of a test population at the highest dose tested, 1000 J. µg/g body weight. Although the western tussock moth has been reported to have 5 larval stages, 6 were observed. Larvae that moiled to the 6th stage were usually female.

Document Type: Research Article

Publication date: February 1, 1973

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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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