›› 2003, Vol. 46 ›› Issue (6): 749-754.
• RESEARCH PAPERS • Previous Articles Next Articles
LI Xin, LIU Shu-Sheng*
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Abstract: Learning of host and hostplant recognition in the larval parasitoid Diadegma semiclausum Hellen (Hym., Ichneumonidae) was studied. The results show that the hostplants fed on by host larvae of parasitoids during their immature stages did not affect hostplant preference of the ensuing female adults, but brief experiences by female parasitoids at early adult stages significantly affected their subsequent host preferences. Female parasitoids showed significant preferences for plant volatiles they had previously experienced. However, such preferences acquired through learning could be modified by new experiences. Female parasitoids could learn not only the volatile chemicals emitted by hostinfested plants, but also the infochemicals emitted by host larvae.
Key words: Diadegma semiclausum, learning, host foraging, vo latiles
LI Xin, LIU Shu-Sheng*. Learning in host foraging by the parasitoid Diadegma semiclausum (Hymenopter a:Ichneumonidae)[J]., 2003, 46(6): 749-754.
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