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    Author(s): O. Valerio-Mendoza; F. Armendariz-Toledano; G. Cuellar-Rodriguez; Jose F. Negron; G. Zuniga
    Date: 2017
    Source: Journal of Insect Science. 17(5): 92.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (824.0 KB)

    Description

    The distribution range of the western pine beetle Dendroctonus brevicomis LeConte (Coleoptera: Curculionidae) is supported only by scattered records in the northern parts of Mexico, suggesting that its populations may be marginal and rare in this region. In this study, we review the geographical distribution of D. brevicomis in northern Mexico and perform a geometric morphometric analysis of seminal rod shape to evaluate its reliability for identifying this species with respect to other members of the Dendroctonus frontalis Zimmermann (Coleoptera: Curculionidae) complex. Our results provide 30 new records, with 26 distributed in the Sierra Madre Occidental and 4 in the Sierra Madre Oriental. These records extend the known distribution range of D. brevicomis to Durango and Tamaulipas states in northern Mexico. Furthermore, we find high geographic variation in size and shape of the seminal rod, with conspicous differences among individuals from different geographical regions, namely west and east of the Great Basin and between mountain systems in Mexico.

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    Citation

    Valerio-Mendoza, O.; Armendariz-Toledano, F.; Cuellar-Rodriguez, G.; Negron, Jose F.; Zuniga, G. 2017. The current status of the distribution range of the western pine beetle, Dendroctonus brevicomis (Curculionidae: Solytinae) in northern Mexico. Journal of Insect Science. 17(5): 92.

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    Keywords

    seminal rod shape, geometric morphometry, Dendroctonus frontalis complex

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