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    Author(s): Christopher Irwin Smith; Brian Dorsey Farrell
    Date: 2005
    Source: In: Gottfried, Gerald J.; Gebow, Brooke S.; Eskew, Lane G.; Edminster, Carleton B., comps. Connecting mountain islands and desert seas: biodiversity and management of the Madrean Archipelago II. Proc. RMRS-P-36. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station: 135-139
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (132 KB)

    Description

    Mitochondrial sequence data from three species of flightless cactus beetles, Moneilema gigas, M. armatum, and M. appressum, were analyzed. The coalescent models implemented in the program FLUCTUATE were used to test the hypothesis that these species experienced range changes following the end of the last glacial period. The two desert species M. gigas and M. armatum both showed significant evidence of population growth, particularly in northern populations; however, the montane species M. appressum did not show evidence of range fragmentation and population decline as predicted from paleoclimate data.

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    Citation

    Smith, Christopher Irwin; Farrell, Brian Dorsey 2005. Historical biogeography of longhorn cactus beetles: the influence of Pleistocene climate changes on American desert communities. In: Gottfried, Gerald J.; Gebow, Brooke S.; Eskew, Lane G.; Edminster, Carleton B., comps. Connecting mountain islands and desert seas: biodiversity and management of the Madrean Archipelago II. Proc. RMRS-P-36. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station: 135-139

    Keywords

    Moneilema gigas, Moneilema armatum, and Moneilema appressum, biogeography, history, climate change, population change, desert communities

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