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Browsing Research Articles (University of Pretoria) by UP Author "Queffelec, Josephine"

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Enantiospecific response of Ips avulsus (Coleoptera: Curculionidae: Scolytinae) to ipsdienol depends on semiochemical context

Queffelec, Josephine; Gaudon, Justin M.; Miller, Daniel R.; Mckenney, Jessica L.; Allison, Jeremy D. (Oxford University Press, 2023-12)

Colonization of hosts by bark beetles is generally mediated by aggregation pheromones. Species competing for the same resource can limit interspecific interactions and maintain reproductive isolation by using different ...
Influence of reproductive biology on establishment capacity in introduced Hymenoptera species

Queffelec, Josephine; Allison, Jeremy D.; Greeff, Jaco M. (Jacobus Maree); Slippers, Bernard (Springer, 2021-02)

Introduced species face numerous biological barriers before they can establish in a new environment. Understanding how they overcome these obstacles is crucial for the development of effective risk assessment and regulation. ...
Mechanisms that influence sex ratio variation in the invasive hymenopteran Sirex noctilio in South Africa

Queffelec, Josephine; Wooding, Amy L.; Greeff, Jaco M. (Jacobus Maree); Garnas, Jeffrey R.; Hurley, Brett Phillip; Wingfield, Brenda D.; Slippers, Bernard (Wiley Open Access, 2019-07)

Sirex noctilio is an economically important invasive pest of commercial pine forestry in the Southern Hemisphere. Newly established invasive populations of this woodwasp are characterized by highly male‐biased sex ratios ...
Remnants of horizontal transfers of Wolbachia genes in a Wolbachia-free woodwasp

Queffelec, Josephine; Postma, Alisa; Allison, Jeremy D.; Slippers, Bernard (BMC, 2022-03)

BACKGROUND: Wolbachia is a bacterial endosymbiont of many arthropod and nematode species. Due to its capacity to alter host biology, Wolbachia plays an important role in arthropod and nematode ecology and evolution. Sirex ...

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Browsing Research Articles (University of Pretoria) by UP Author "Queffelec, Josephine"

Browsing Research Articles (University of Pretoria) by UP Author "Queffelec, Josephine"

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