Reduction of Gypsy Moth Male Mating Potential in Dense Populations by Mistblower Sprays of Microencapsulated Disparlure

Authors: Granett, J.; Doane, C. C.

Source: Journal of Economic Entomology, Volume 68, Number 4, August 1975 , pp. 435-437(3)

Publisher: Entomological Society of America

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Microencapsulated disparlure was sprayed on replicated 1-ha circular plots in 3 Connecticut state forests by knapsack mistblower. Preseason egg mass counts in the 3 areas were estimated at 0 (Nassahegon State Forest) ,40 (Cockaponset State Forest), and 1470 (Nehantic State Forest) egg masses/ha. Plots with 40 egg masses/ha received 2 sprays, each containing 18 g disparlure, while the other 2 areas had only a single spray. Male mating potential was assayed by disparlure-baited traps and by deployment of virgin female moths from field-collected pupae. Trap catches in treated plots were depressed more than 98% compared to the catch in control plots. Of 62 test virgin females recovered, 74% were mated in control plots but no mating occurred with 54 females recovered from treated plots. Results indicated that disparlure has promise in reducing dense populations. Also, disparlure tests may be conducted with replicated small plots.

Document Type: Research Article

Publication date: August 1, 1975

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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