Differences in feeding response among three cucurbitaceous feeding leaf beetles to cucurbitacins

Makoto Abe, Kazuhiro Matsuda, Yoshio Tamaki

    Research output: Contribution to journalArticlepeer-review

    11 Citations (Scopus)

    Abstract

    Feeding responses to four cucurbitacins (B, E, I and E-glucoside) were investigated in three cucurbitaceous feeding leaf beetles, Aulacophora femoralis (Motschulsky), A. lewisii Baly and A. nigripennis Motschulsky by filter paper assay. A. femoralis and A. lewisii were strongly stimulated to feed by four cucurbitacins, and A. nigripennis was weakly stimulated to feed by cucurbitacin B at a concentration of only 0.01 mg/ml. A. nigripennis showed no significant feeding stimulant activity to cucurbitacins by a leaf disk assay. These results indicate that not all cucurbitaceous feeding beetle species are strongly stimulated to feed by cucurbitacins.

    Original languageEnglish
    Pages (from-to)137-142
    Number of pages6
    JournalApplied Entomology and Zoology
    Volume35
    Issue number1
    DOIs
    Publication statusPublished - 2000 Feb

    Keywords

    • Aulacophora leaf beetle
    • Cucurbitacin
    • Feeding stimulant

    ASJC Scopus subject areas

    • Insect Science

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