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Light-weight net jackets treated with N,N-diethyl-m-toluamide (deet) were field-tested in Panama against five species of biting midges, principally Culicoides furens (Poey) and C. barbosai Wirth and Blanton. The deet-treated jacket provided 8793% protection. Time of day as well as season appeared to influence the proportionate numbers of species collected. The mean coefficient of protection was slightly lower during morning tests when C. barbosai was most abundant and higher during evening tests when C. furens was most abundant.
Accepted for publication May 28, 1982.
The research reported in this manuscript was conducted in part using funds provided by the U.S. Army Medical Research and Development Command.
Address reprint requests to: C. E. Schreck, Insects Affecting Man and Animals Research Laboratory, ARS-USDA, P.O. Box 14565, Gainesville, Florida 32604.
* This paper reflects the results of research only. Opinions expressed herein are those of the authors only. Mention of a chemical or a commerical or proprietary product in this paper does not constitute a recommendation or endorsement of this product by the U.S. Department of Agriculture or Department of Defense.
MAJ, MSC, U.S. Army. Present address: Department of Entomology, Ohio State University, Columbus, Ohio 43210.
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