There are over 70 species of Pachybrachis Chevrolat known from Arizona. A group of species with tibial spurs on the forelegs of the males consists of three Nearctic species: Pachybrachis coronado Barney, new species, Pachybrachis texanus Bowditch, and Pachybrachis uncinatus Fall. A key to the Tibial Spur Species is given, and a description and figures are provided for each species. New state records are reported for P. texanus and P. uncinatus.
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22 March 2024
Redescriptions and Figures of the Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae) of Arizona, Including New State Records, Plant Associations, and Description of a New Species: The Tibial Spur Species
Robert J. Barney
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The Coleopterists Bulletin
Vol. 78 • No. 1
March 2024
Vol. 78 • No. 1
March 2024
leaf beetles
Nearctic
taxonomy