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A lethal effect of synthetic juvenile hormones on pine needle gall midge, Thecodiplosis japonensis Uchida et Inouye


, : A lethal effect of synthetic juvenile hormones on pine needle gall midge, Thecodiplosis japonensis Uchida et Inouye. Entomological Research Bulletin, S Korea 8: 23-32

The lethal effects of JH-I (methyl 7-ethyl-9-(3-ethyl-3-methyloxiranyl)-3-methyl-2,6-nonadienoate), JH-II (methyl 9-(3-ethyl-3-methyloxiranyl)-3,7-dimethyl-2,6-nonadienoate) and JH-III (methyl 9-(3,3-dimethyloxiranyl)-3,7-dimethyl-2,6-nonadienoate) were investigated at concentrations of 0.001-0.1% in the laboratory in Korea on larvae of the pine pest Thecodiplosis japonensis Uch. & Inouye just before pupation.

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