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1986•Applied Entomology and ZoologyOpen access

Effect of Kairomones in the Host Searching Behavior of Apanteles kariyai WATANABE (Hymenoptera : Braconidae), a Parasitoid of the Common Armyworm, Pseudaletia separata WALKER (Lepidoptera : Noctuidae) : III. Synthesis and Bioassay of Arrestants and Related Compounds

Junji Takabayashi, Shozo Takahashi

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Abstract

Arrestants which keep Apanteles kariyai in the host habitat were synthesized by WITTIG reaction followed by hydrogenation from furan compounds and lead tetraacetate oxidation of alcohols. From the comparison of the analytical data of natural arrestants and synthetic compounds, the natural arrestants appeared to be a mixture of cis- and trans-isomers of 2, 5-dialkyltetrahydrofuran. Bioassay results of arresting activity of natural and synthetic compounds showed that cir- and trans-isomers were similar in activity, and 2-alkyltetrahydrofurans had no activity.

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Arrestants which keep Apanteles kariyai in the host habitat were synthesized by WITTIG reaction followed by hydrogenation from furan compounds and lead tetraacetate oxidation of alcohols. From the comparison of the analytical data of natural arrestants and synthetic compounds, the natural arrestants appeared to be a mixture of cis- and trans-isomers of 2, 5-dialkyltetrahydrofuran. Bioassay results of arresting activity of natural and synthetic compounds showed that cir- and trans-isomers were similar in activity, and 2-alkyltetrahydrofurans had no activity.

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Available abstract

Arrestants which keep Apanteles kariyai in the host habitat were synthesized by WITTIG reaction followed by hydrogenation from furan compounds and lead tetraacetate oxidation of alcohols. From the comparison of the analytical data of natural arrestants and synthetic compounds, the natural arrestants appeared to be a mixture of cis- and trans-isomers of 2, 5-dialkyltetrahydrofuran. Bioassay results of arresting activity of natural and synthetic compounds showed that cir- and trans-isomers were similar in activity, and 2-alkyltetrahydrofurans had no activity.

Key concepts: Braconidae, Biology, Mythimna separata, Noctuidae, Apanteles, Lepidoptera genitalia, Hymenoptera, Parasitoid

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Effect of Kairomones in the Host Searching Behavior of Apanteles kariyai WATANABE (Hymenoptera : Braconidae), a Parasitoid of the Common Armyworm, Pseudaletia separata WALKER (Lepidoptera : Noctuidae) : III. Synthesis and Bioassay of Arrestants and Related Compounds — Research Paper | ScholarLens