Effects of Sulfluramid-Treated Bait Blocks on Field Colonies of the Formosan Subterranean Termite (Isoptera: Rhinotermitidae)
Authors: SU, NAN-YAO; SCHEFFRAHN, RUDOLF H.; BAN, PAUL M.
Source: Journal of Economic Entomology, Volume 88, Number 5, October 1995 , pp. 1343-1348(6)
Publisher: Entomological Society of America
Abstract:Wooden boards impregnated with sulfluramid were nailed together with boards treated with acetone to form a block for placement in selected monitoring stations of 3 colonies of the Formosan subterranean termite, Coptotermes fomwsanus Shiraki, in Hallandale, FL. Under this choice-test condition, sulfluramid-treated boards initially accepted by termites were later avoided. When sulfluramid concentration was reduced, differences in feeding between sulfluramid-treated boards and boards treated with acetone only became insignificant, indicating non preferential feeding by the same population at the reduced toxicant concentration. Feeding deterrence was detected even for the reduced toxicant boards in later months for SOI1lP colonies. We hypothesized an associative learning by C. formosanus to avoid feeding on The treatments. The 12-mo baiting with sulfluramid-treated blocks reduces foraging populations of the treated colonies by 52-86%. Without additional baiting, all populations substantially recovered in later years. It is suggested that lethal time (time required to kill) of a bait toxicant must be dose independent to be delivered to the majority of the population using a feeding medium.
Document Type: Research Article
Publication date: October 1, 1995
- 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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