Oviposition stimulants of aCitrus-feeding swallowtail butterfly,Papilio xuthus L
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A methanolic extract ofCitrus unshiu induces oviposition by females of aCitrus-feeding swallowtail butterfly,Papilio xuthus L. The chemical factors responsible for stimulating oviposition were isolated and characterized as 5-hydroxy-Nω-methyltryptamine, adenosine, vicenin-2, narirutin, hesperidin and rutin. An artificial blend of these six components elicited significant oviposition behavior, apparently identical to that induced by contact with intactCitrus leaves.
Key wordsOviposition stimulant host selection butterfly Papilio xuthus Citrus 5-hydroxy-Nω-methyltryptamine adenosine flavonoid
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