Release of Backcross Insects on St. Croix to Suppress the Tobacco Budworm (Lepidoptera: Noctuidae): Methodology and Dispersal of Backcross Insects

Authors: Proshold, F. I.; Martin, D. F.; Laster, M. L.; Raulston, J. R.; Sparks, A. N.

Source: Journal of Economic Entomology, Volume 76, Number 4, August 1983 , pp. 885-889(5)

Publisher: Entomological Society of America

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In 1977, a pilot test was initiated on St. Croix, U.S. Virgin Islands, to test the feasibility of controlling Heliothis virescens (F.) by releasing backcross insects possessing an inherited male sterility resulting from hybridization. During 1979 and 1980, four separate releases were made. Of released males captured, fewer than 15% were trapped farther than 1.6 km away. Males placed in release cages as pupae dispersed farther than those released as adults. Eggs oviposited by released females were collected as far as 8 km from the release site though most were collected near release sites. Ratios of eggs oviposited by released or native females were similar on pigeon pea, Cajanas cajan (L.), and on Bastardia viscosa (Koth.), the two most important hosts for tobacco budworm on St. Croix. These data show the need for frequent release sites in future suppression programs with backcross tobacco budworms.

Document Type: Research Article

Publication date: August 1, 1983

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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