Four new species of PachybrachisChevrolat, 1836 in the eastern USA are described: Pachybrachis cubs Barney, new species; Pachybrachis ekstromorum Barney, new species; Pachybrachis troosevelti Barney, new species; and Pachybrachis zellersorum Barney, new species. Pachybrachis zellersorum belongs to the Pachybrachis viduatus species-group, and the other three new species belong to the Pachybrachis atomarius species-group. A description, figure, and range map are presented for each new species. Couplets in published keys are modified to accommodate the new species.
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25 March 2019
Descriptions of Four New Species of Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae) of 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