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Impact of host endosymbionts on parasitoid host range — from mechanisms to communities

Abstract : In insects, bacterial endosymbionts are known to influence the ecology of their hosts by modifying interactions with natural enemies such as parasitoids. Symbionts can modulate both parasitoid behavioral and/or physiological traits as well as host behaviors and life-history traits. Together these suggest that endosymbionts may impact the host range of parasitoids. For example, endosymbionts may narrow parasitoid host range through first, reducing parasitoid ability to locate hosts and/or larval survival, second, affecting fitness traits of the emerging adult parasitoid and/or third, modulating the outcome of interference and exploitative competition between parasitoid species. From both a fundamental and applied point of view, these symbiotic effects would influence the ecology and evolution of parasitoids and associated population-level processes and ecosystem services (e.g. biocontrol).
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Submitted on : Friday, August 30, 2019 - 4:13:01 PM
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Lucie Monticelli, yannick Outreman, Enric Frago, Nicolas Desneux. Impact of host endosymbionts on parasitoid host range — from mechanisms to communities. Current Opinion in Insect Science, Elsevier, 2019, 32, pp.77-82. ⟨10.1016/j.cois.2018.11.005⟩. ⟨hal-02275341⟩



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