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Definition and revision of pubescens species-group of NA Pachybrachis (Chrysomelidae), including descriptions of three n. spp.
By Barney, R.J.
The Coleopterists Bulletin, 73(4): 1017-1048., 2019
Cite: 1767660 with citation markup [cite:1767660]
BioOne

Barney, R.J. 2019. Definition and revision of the pubescens species-group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), including descriptions of three new species. The Coleopterists Bulletin, 73(4): 1017-1048.

Abstract

The pubescens species-group of Nearctic Pachybrachis Chevrolat, 1836 is defined and revised. The group is composed of 12 species:

P. analis LeConte;
P. baja Barney, new species;
P. connexus Fall;
P. donneri Crotch;
P. gilberti Barney, new species;
P. integratus Fall;
P. madera Barney, new species;
P. morosus Haldeman;
P. thoracicus Jacoby;
P. vigilans Fall;
P. wickhami. Bowditch; and
P. xanti Crotch.

Pachybrachis haematodes Suffrian is synonymized under P. morosus (new synonymy),
P. marmoratus Jacoby and P. desertus Fall are synonymized under P. analis (new synonymies), and
P. brunneus Bowditch and P. uteanus Fall are synonymized under P. donneri (new synonymies).

A key to species is given, and a description, figure, and range map are presented for each species.

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