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Genetic variation in the behavioural mechanisms involved in the response of the egg parasitoid Trissolcus brochymenae to contact chemical cues left by the pest Murgantia histrionica

Abstract : 1. The ability of parasitoid females to perceive chemical traces left by theirhosts is of utmost importance in the host location process. The behaviours involved insuch ability have thus most likely been promoted by natural selection in the course ofthe evolutionary time. For this to happen, however, there must be signicant geneticvariation in natural populations on which natural selection could act.2. Using the isofemale line method and motion analysis, we detected signicantintra-population genetic variation for several walking behaviour traits of the eggparasitoid Trissolcus brochymenae (Hymenoptera: Scelionidae) females responding tochemical traces left by its host Murgantia histrionica (Heteroptera: Pentatomidae).3. Besides opening new avenues of research on the reproductive strategies, behaviour,and biological control potential of parasitoid wasps, these results also have implicationsfor understanding their life-history evolution in general
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https://hal.inria.fr/hal-03099285
Contributor : Eric Wajnberg <>
Submitted on : Wednesday, January 6, 2021 - 9:52:05 AM
Last modification on : Friday, January 8, 2021 - 3:13:50 AM

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Milos Sevarika, Maria Cristina Foti, Ezio Peri, Stefano Colazza, Eric Wajnberg. Genetic variation in the behavioural mechanisms involved in the response of the egg parasitoid Trissolcus brochymenae to contact chemical cues left by the pest Murgantia histrionica. Ecological Entomology, Wiley, 2021, ⟨10.1111/een.12945⟩. ⟨hal-03099285⟩

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