A key to the males of all 64 species of Pachybrachis Chevrolat, 1836 (Coleoptera: Chrysomelidae: Cryptocephalinae) currently known from the eastern USA is presented. Type, figure, and map citations from the literature are given for each species. Pachybrachis newmani Jacobson is reported as a replacement name for Pachybrachis limbatus Newman, which was a homonym, thus making Pachybrachis discoideus Bowditch a synonym (new status).
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25 March 2019
Key to All Sixty-Four Species of Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae) in the Eastern USA
Robert J. Barney
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The Coleopterists Bulletin
Vol. 73 • No. 1
March 2019
Vol. 73 • No. 1
March 2019
leaf beetles
Nearctic
plant association
taxonomy