Horn Flies, Stable Flies, and House Flies: Development in Feces of Bovines Treated Orally with Juvenile Hormone Analogues13
- 1 October 1973
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 66 (5) , 1099-1102
- https://doi.org/10.1093/jee/66.5.1099
Abstract
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.Keywords
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