Concentration- Time Relationship for Fumigant Efficacy of Sulfuryl Fluoride Against the Formosan Subterranean Termite (Isoptera: Rhinotermitidae)

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Abstract:

The Formosan subterranean termite, Coptotermes formosanus, was exposed to sulfuryl fluoride over a range of six accumulated concentrations (10-60 mg h/liter) and 12 exposure times (1-96 h), to determine the concentration-time relationship on termite mortality. Time threshold in sulfuryl fluoride fumigation was<1h. The results demonstrated that C0.93t = k was a satisfactory model to describe the response relationship in fumigant efficacy of sulfuryl fluoride against this termite. Because the toxicity index (n = 0.93) approximates to 1, the assumption that the exposure time is equally important to concentration is functionally valid.

Document Type: Research Article

Publication date: February 1, 1989

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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