Heritable differences in the response of the braconid waspMicroplitis croceipes to volatile allelochemicals |
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Authors: | Genevieve Prevost W. J. Lewis |
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Affiliation: | (1) USDA-ARS-Insect Biology and Population Management Research Laboratory, 31793-0748 Tifton, Georgia;(2) Present address: Laboratoire de Génétique des Populations, Université Claude Bernard-Lyon I, 43 Bd du 11 Novembre 1918, 69622 Villeurbanne Cedex, France |
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Abstract: | The heritable nature of differential responses by Microplitis croceipes(Cresson) (Hymenoptera: Braconidae) to airborne allelochemicals was investigated. Four isofemale lines were tested for three generations in a flight tunnel. Flight response was found to be strongly dependent on the familial origin, with two highly responsive lines being clearly differentiated from two less responsive ones. Each isofemale line could also be recognized by typical behaviors that suggested that M. croceipesfemales may inherit independent characters of sensory acuity to plant and to host chemicals and of learning ability. |
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Keywords: | parasitoid behavior heritable traits Microplitis croceipes Hymenoptera Braconidae allelochemical flight response host location |
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