Laboratory and Field Evaluations of Chemosterilants for the Gypsy Moth in 1964, 19651,2

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Pupal dip tests with tests using gypsy moth, Porthetria dispar (L.), male pupae less than 12 hours old in 0.05% tepa solutions led to high mortality, but survivors were not sterile. Residual film treatments with hempa at 40 mg per gallon bottle led to high moth mortality but inconclusive sterility. Tepa residue film treatments varying from ½ to 12 mg per gallon bottle indicated that either long treatments (24 hours) with low residual film concentrates (1 mg per gallon bottle) or short treatments (4 hours) with high film concentrations (12 mg per gallon bottle) and long posttreatment holding times (24 hours) will lead to a high degree of moth sterility. Practical sterilizing conditions are probably best represented by an 8 mg per gallon bottle film with an 8-hour treatment and no posttreatment holding of the moths, Field competition tests using moths sterilized for 8 hours at the 8 mg per gallon bottle level indicated that the sterilized moths arc competitive with untreated normal moths.

Document Type: Research Article

Publication date: February 1, 1967

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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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