Redescription of Four Predominantly Yellow, Densely Punctate Species of Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae) of the Western USA, and Description of a New Species

Robert J. Barney

doi:10.1649/0010-065X-74.4.637

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22 December 2020 Redescription of Four Predominantly Yellow, Densely Punctate Species of Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae) of the Western USA, and Description of a New Species

Robert J. Barney

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The Coleopterists Bulletin, 74(4):637-646 (2020). https://doi.org/10.1649/0010-065X-74.4.637

Abstract

A new species of Pachybrachis Chevrolat from the western United States is described. Pachybrachis americanus Barney, new species, is similar in appearance to several other species that are predominantly yellow, densely punctate, with ocular lines and with front tarsal claws not enlarged: Pachybrachis densus Bowditch, Pachybrachis immaculatus Jacoby, Pachybrachis insidiosus Fall, and Pachybrachis jacobyi Bowditch. Descriptions, figures, and range maps are presented for each species.

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Robert J. Barney "Redescription of Four Predominantly Yellow, Densely Punctate Species of Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae) of the Western USA, and Description of a New Species," The Coleopterists Bulletin 74(4), 637-646, (22 December 2020). https://doi.org/10.1649/0010-065X-74.4.637

Received: 15 April 2020; Accepted: 10 September 2020; Published: 22 December 2020

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