No evidence of responding individuals constraining the evolution of the pheromone signal in the pine engraver Ips avulsus

dc.contributor.authorQueffelec, Josephine
dc.contributor.authorSullivan, Brian
dc.contributor.authorMckenney, Jessica L.
dc.contributor.authorAllison, Jeremy D.
dc.date.accessioned2023-05-17T06:21:56Z
dc.date.available2023-05-17T06:21:56Z
dc.date.issued2023-02
dc.description.abstractChemical signals are important mediators of interactions within forest ecosystems. In insects, pheromone signals mediate intraspecific interactions such as mate location and acceptance. The evolution of pheromones in insects has been mostly studied from a theoretical perspective in the Lepidoptera. With this study, we aimed to broaden our understanding of pheromone communication in bark beetles. We first demonstrated that the enantiomeric ratios of ipsdienol produced by male I. avulsus, showed little variation. Subsequently, with field trapping trials we characterized the influence of the enantiomeric ratio of ipsdienol (pheromone component of I. avulsus) on I. avulsus captures and observed a great amount of variation in the receiver preference function. Most importantly, we demonstrated that responding individuals responded indiscriminately to all the enantiomeric ratios produced by the emitting individuals. These observations are consistent with the asymmetric tracking model which postulates that if the limiting sex is the emitting sex, responding individuals should not discriminate between emitted ratios. Consequently, responding individuals do not constrain the evolution of the signal. Our data suggest that, in I. avulsus, the composition of the aggregation pheromone signal might be more responsive to external selection forces, such as predation and metabolic constraints, as suggested by the asymmetric tracking model.en_US
dc.description.departmentForestry and Agricultural Biotechnology Institute (FABI)en_US
dc.description.departmentZoology and Entomologyen_US
dc.description.librarianhj2023en_US
dc.description.sponsorshipLouisiana State University AgCenter. Open Access provided by Natural Resources Canada.en_US
dc.description.urihttps://link.springer.com/journal/10886en_US
dc.identifier.citationQueffelec, J., Sullivan, B., Mckenney, J.L. et al. No Evidence of Responding Individuals Constraining the Evolution of the Pheromone Signal in the Pine Engraver Ips avulsus. Journal of Chemical Ecology 49, 11–17 (2023). https://doi.org/10.1007/s10886-022-01396-w.en_US
dc.identifier.issn0098-0331 (print)
dc.identifier.issn1573-1561 (online)
dc.identifier.other10.1007/s10886-022-01396-w
dc.identifier.urihttp://hdl.handle.net/2263/90713
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.rights© Crown 2022. Open Access. This article is licensed under a Creative Commons Attribution 4.0 International License.en_US
dc.subjectBark beetleen_US
dc.subjectEnantiomeric ratioen_US
dc.subjectAsymmetric trackingen_US
dc.subjectIpsdienolen_US
dc.subjectIpsenolen_US
dc.subjectPine engraver (Ips avulsus)en_US
dc.titleNo evidence of responding individuals constraining the evolution of the pheromone signal in the pine engraver Ips avulsusen_US
dc.typeArticleen_US

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