Exposure of Culicoides variipennis (Diptera: Ceratopogonidae) to Hair Clippings to Evaluate Insecticide-impregnated Ear Tags in Cattle
Author: HOLBROOK, FREDERICK R.
Source: Journal of Economic Entomology, Volume 79, Number 4, August 1986 , pp. 1127-1129(3)
Publisher: Entomological Society of America
Abstract:Adult Culicoides variipennis (Coquillett) exposed to hair samples from cattle treated with one fenvalerate ear tag per animal resulted in mortalities of 87–100% (x_bar = 93%) within 7 days post treatment. Mortalities of 80-100% (x_bar = 95%) were obtained at 6 days from hair samples from untreated cattle placed in the same pen with treated cattle. Insecticidal activity lasted throughout the 70-day test period, with decreased efficacy following rainfall and after the 49th test day. Significantly higher mortalities were recorded from hair samples from the neck near the ears and from the underside of the body.
Document Type: Research Article
Publication date: August 1986
- 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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