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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


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TaxonomyBrowseInfoImagesLinks
Books
Data

Subfamily Cryptocephalinae - Case-bearing Leaf Beetles

 
 
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Geographical variation in Pachybrachis othonus (Coleoptera: Chrysomelidae) with descriptions of a new subspecies
By Edward U. Balsbaugh
Annals of the Entomological Society of America, Volume 66, Issue 2, Pages 252–261, 1973

Taxonomy of Cryptocephalus Geoffroy: what do we know? (Coleoptera: Chrysomelidae: Cryptocephalinae).
By M. Schöller
Mitteilungen internationaler entomologischer Verein 27(1-2): 59-76, 2002

New Species of Cryptocephalus (Coleoptera: Chrysomelidae)
By H. C. Fall
Psyche 39: 21-25, 1932

Geographical variation in Pachybrachis nigricornis (Coleoptera: Chrysomelidae).
By Balsbaugh Jr, E.U. and W.L. Tucker.
The Coleopterists Bulletin 30(2): 117–131., 1976
JSTOR

Balsbaugh Jr, E.U. and W.L. Tucker. 1976. Geographical variation in Pachybrachis nigricornis (Coleoptera: Chrysomelidae). The Coleopterists Bulletin 30(2): 117–131.

Definition and revision of spumarius species-group of North American Pachybrachis Chevrolat (Chrysomelidae: Cryptocephalinae)
By Barney, R.J.
The Coleopterists Bulletin 71(3): 449-460., 2017
BioOne

Barney, R.J. 2017. Definition and revision of the spumarius species-group of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae). The Coleopterists Bulletin 71(3): 449-460.

Abstract
The spumarius species-group of Nearctic Pachybrachis Chevrolat, 1836 is defined and revised. The group is composed of one species: Pachybrachis spumarius Suffrian, 1852. A male specimen of P. spumarius, recently discovered in the Natural History Museum in London among some previously unrecognized type material of Suffrian, is herein designated as a lectotype.

Definition and revision of the pectoralis species-group of eastern North American Pachybrachis (Chrysomelidae: Cryptocephalinae)
By Barney
The Coleopterists Bulletin 72(3): 471-499., 2018
BioOne

Barney, R.J. 2018. Definition and revision of the pectoralis species-group of eastern North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae). The Coleopterists Bulletin 72(3): 471-499.

Abstract

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

Pachybrachis clarki Barney,
Pachybrachis diversus Fall,
Pachybrachis obsoletus Suffrian,
Pachybrachis peccans Suffrian,
Pachybrachis pectoralis (F. E. Melsheimer),

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
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;

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
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,

 
 
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