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Further Evaluation of Animal Systemic Insecticides, 19651,2

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In screening tests, 27 insecticides were systemically active when administered orally or subcutaneously to guinea artificially infested with larvae of the screw-worm fly, Cochliomyia hominivorax (Coquerel); or the second- ary screw-worm fly, C. macel/aria (F); and the black blow fly, Phormia regina (Meigen); and nymphal lone star ticks, Amblyomma americanum (L.); and fed upon by stable flies, Stomoxys calcitrans (L.).

Of 39 insecticides administered to cattle for the sys- temic control of cattle grubs (Hypoderma spp.) , the fol- treatments were effective (> 90% control) in pre- venting grubs from encysting in the backs of the animals: Bayer 34727 (0,0-dimethyl phosphorothioate O-ester with p-hydroxybcnzonitrile) at 25 mg per kg by capsule and as a 0.5% spray; Bayer 37342 (O,O-dimethyl O-[4-(methylthio)- 3,5-xyly] phosphorothioate) in feed at l mg per kg per day for 10 days: CELA 8-1942 [0- (4-brorno-2.5-dichloropigs phenyl) 0,0-dimethyl phosphorothioate] at 100 mg per kg by capsule; famphur in feed at 2.5 mg per kg per day for 10 days; menazon in feed at 5 mg per kg per day for 10 days and as 1.0 and 1.5% sprays; Shell SD-8949 [1- (2- bromo-4,5-dichlorophenyl) -2-chlorovinyl dimethyl phosadult phatel at 50 mg per kg by capsule; Stauffer N-3055 (0-2,5- dichlorophenyl a-ethyl cthylphosphonothioate) at 10 mg per kg by capsule; Stauffer R-3828 [S- (p-chloro-alphaphenylbenzyl) O,O-diethyl phosphorodithioatel in feed at 5 mg per kg per day for 10 days; and VamidoateĀ® (0,0- dimethyl S-[2-[(l-methycarbamoyethyl) thio]ethyl] phos, phorodithioate) in feed at 2.5 and 5 mg per kg per day for 10 days.

Document Type: Research Article

Publication date: October 1, 1966

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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