Stimuli influencing host microhabitat location in the parasitoid Campoletis sonorensis

作者: H.J. McAuslane , S.B. Vinson , H.J. Williams

DOI: 10.1111/J.1570-7458.1991.TB01476.X

关键词: Lepidoptera genitaliaHost (biology)FrassParasitoidBotanyBiologyHymenopteraZoologyLarvaHeliothis virescensIchneumonidae

摘要: The host microhabitat location behavior of females the generalist parasitoid Campoletis sonorensis (Cameron) (Hymenoptera: Ichneumonidae) was studied in a wind tunnel. Visual cues associated with plant cotton, Gossypium hirsutum L., were important and significantly more parasitoids completed flights to damaged 4-leaf cotton bearing Heliothis virescens (F.) (Lepidoptera: Noctuidae) larva frass than similarly single leaf larva. This difference not due differences amounts volatiles released by two stimuli, Both naive experienced responded differently an undamaged leaf, mechanically naturally removed Parasitoids fewer sources volatiles. Experienced strongly all types damage. number three damage differed but less females. Components preflight experience varied determine which factors responsible for higher response host/plant complex. Oviposition most component this experience. Contact or followed oviposition did increase over that exhibited allowed only. When material contacted without subsequent oviposition,

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