Insecticides for Control of the Cowpea Curculio, Chalcodermus aeneus, on Southernpeas

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Phosphate and carbamate insecticides were compared with the formerly recommended chlorinated hydrocarbon insecticides for control of the adult cowpea curculio, Chalcodermus aeneus Boheman. Several carbamate insecticides, Sevin® (I-naphthyl N-methylcarbamate), Zectran® (4-dilllethylamino-3,5-xylyl methylcarbamate), Bayer 39007 (o-isopropoxyphenyl methylcarbamate), Bayer 37344 (4-(methylthio)-3,5-xylyl methylcarbamate), Hercules 5727 (carbamic acid, methyl-m-iso propylphenyl ester) at high rates controlled the adult cowpea curculio. Sevin was effective as a spray but was ineffective as a dust at equivalent rates. Phosphate insecticides that were effective include SD-3562 (2-dimethylcarball1oyl-l-methylvinyl dimethylphosphate), Bayer 25141 (O,O-diethyl O-p-methylsulfinylphenyl phosphorothioate), Bayer 41831 (O,O-dimethyl 0-4- nitro-m-tolyl phosphorothioate), Guthion®(O,O-dimethyl S-(4-oxo-1,2,3-benzotriazin-3-(4H)-ylmethyl) phosphorodithioate), and Telodrin® (1,3,4,5,6,7,8,8-octachloro-l ,3,3a,4, 7,7a-hexahydro- 4, 7-methanoisobenzofuran). Endosulfan and the phosphate insecticide Indian (O,O-dimethyl S-phthalill1idomethyl phosphorodithioate) varied in effectiveness. Heptachlor and all other chlorinated hydrocarbon materials except toxaphene werc not effective, indicating that the weevil is tolerant to this group of insecticide. Results with toxaphenc at the recommended rate were variable.

Document Type: Research Article

Publication date: December 1, 1963

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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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