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Poster

Systematics, Evolution, and Biodiversity

SysEB: Systematics, Morphology, and Taxonomy

D3494: Towards a revision of Euwallacea Hopkins (Coleoptera: Curculionidae: Scolytinae) ambrosia beetles

Wednesday, November 8, 2023
9:00 AM – 2:00 PM ET
Location: Prince George's Exhibit Hall BCD
In-Person Poster

    Presenting Author(s)

  • SS

    Sarah M. Smith

    Curator
    Michigan State University
    East Lansing, Michigan

    • Co-Author(s)

  • RB

    Roger Beaver

    Retired
    Retired
    Chiang Mai, Chiang Mai, Thailand

  • AC

    Anthony I. Cognato

    Professor, Collection Director, and Graduate Advisor
    Michigan State University
    East Lansing, Michigan

Euwallacea ambrosia beetle species (Curculionidae: Scolytinae: Xyleborini) are native to tropical and subtropical regions of the world and include invasive species in temperate regions. The beetles’ subcortical lifestyle and haplodiploid reproductive strategy makes them perfect invaders of new localities. The beetles are considered pests in both their native and introduced ranges yet there are no comprehensive resources for the identification of all species. To compound the lack of diagnostic tools, the taxonomy of Euwallacea species is in great need of revision. The genus as currently defined is not monophyletic and delimited by a combination of homoplastic characters. We detail our efforts to revise the genus.