Horn Flies,1 Stable Flies,1 and House Flies:1 Development in Feces of Bovines Treated Orally with Juvenile Hormone Analogues2,3

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The development of the horn fly, Hacmatobia irritans (L.), and the stable fly, Stomoxys calcitrans (L.), was inhibited in the feces of cattle treated orally with 1 g/day of the juvenile hormone analogue Hoffmann-La Roche Ro 7-1967 ((E)-4- [(6, 7-epoxy-3-ethyl-7-methyl-2-nonenyl)- oxy]-1,2-(methylenedioxy) benzene (mixed isomers)). Zoecon ZR-515 (isopropyl-11-methoxy-3,7, 11-trimethyl- 2,4-dodceadienoate, 57% (E,B) and 33% (Z,E)) was completely effective against stable flies at 100 mg/day and horn flies at 0.7 mg/day. Hoffmann-La Roche Ro 20-3600 ((E)-4-[(6,7 -epoxy-3, 7-dimethyl-2-nonenyl)oxy]-1,2- (methylenedioxy) benzene) also inhibited development, but 5 g/day were required. Only ZR-515 and Ro 20-3600 were tested for effect on the house fly, Musca domestica L., and both were ineffective at the doses used. No signs of clinical toxicity were observed in the cattle.

Document Type: Research Article

Publication date: October 1, 1973

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  • 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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