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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Longhorn and Leaf Beetles (Chrysomeloidea) » Leaf Beetles (Chrysomelidae) » Case-bearing Leaf Beetles (Cryptocephalinae) » Cryptocephalini » Pachybrachina » Scriptured Leaf Beetles (Pachybrachis)
Definition and revision of the cylindricus Species-Group of Pachybrachis (Chrysomelidae), including descriptions of six new spp.
By Barney, R.J.
The Coleopterists Bulletin 75(4): 723-748., 2021
Cite: 2084252 with citation markup [cite:2084252]
BioOne

Barney, R.J. 2021. Definition and revision of the cylindricus Species-Group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae), including descriptions of six new species. The Coleopterists Bulletin 75(4): 723-748.

Abstract

Six new species of Pachybrachis Chevrolat from the southwestern United States are described.

Pachybrachis ashfork Barney, new species,
Pachybrachis ephedra Barney, new species,
Pachybrachis huachuca Barney, new species,
Pachybrachis hurricane Barney, new species,
Pachybrachis saguaro Barney, new species, and
Pachybrachis texasensis Barney, new species

are similar in appearance to several other species that are large, without ocular lines, with enlarged front tarsal claws, and have aedeagal median lobes with wisps and keels:
Pachybrachis chaoticus Fall, Pachybrachis crassus Bowditch, Pachybrachis cylindricus Bowditch, Pachybrachis hybridus Suffrian, Pachybrachis peninsularis Fall, Pachybrachis pinguescens Fall, and Pachybrachis turgidicollis Fall.

Descriptions, figures, and range maps are presented for each species.
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Contributed by Mike Quinn on 26 January, 2022 - 11:36am
Last updated 13 August, 2023 - 6:06pm

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