Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Suborder Polyphaga


The genus Rhodobaenus Leconte (Coleoptera: Curculionidae: Dryophthorinae) in the United States of America
By Anderson R.S.
The Coleopterists Bulletin 64: 124, 2010

Larinus turbinatus Gyllenhal (Coleoptera: Curculionidae: Lixinae), a Eurasian weevil new to North America with a summary...
By Hoebeke E.R., Spichiger S.-E.
Proc. Ent. Soc. Wash. 118: 261-272, 2016
Full title: Larinus turbinatus Gyllenhal (Coleoptera: Curculionidae: Lixinae), a Eurasian weevil new to North America with a summary of other adventive Larinus in North America and a key to species
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Revision of Quedius sensu stricto (Coleoptera: Staphylinidae)
By Hansen A K, Brunke A, Simonsen T, Solodovnikov A
Acta Entomologica Musei Nationalis Pragae, 2022

Arawana scapularis (Coleoptera, Coccinellidae) in the United states and new locality records for species of Arawana.
By Gordon, R.D.
Entomological News 105(3): 133-136., 1994
BioStor

Gordon, R.D. 1994. Arawana scapularis (Coleoptera, Coccinellidae) in the United states and new locality records for species of Arawana. Entomological News 105(3): 133-136.

ABSTRACT: Arawana scapularis is recorded again from southern Arizona. Habitus and genitalia are illustrated, and new locality records are listed for A. scapularis and A. arizonica.

New species of Diabrotica Chevrolat (Coleoptera: Chrysomelidae: Galerucinae) and a key to Diabrotica and related genera...
By Derunkov, A., Prado L., Tishechkin A., Konstantinov A.
J. Insect Biodiversity 3: 1-55, 2015
Full title: New species of Diabrotica Chevrolat (Coleoptera: Chrysomelidae: Galerucinae) and a key to Diabrotica and related genera: results of a synopsis of North and Central American Diabrotica species

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Eggs, Larvae and Biological Notes on Disonycha leptolineata Blatchley (Coleoptera: Chrysomelidae)
By Watts, John R.
Insecta Mundi 4 (1-4), 1990

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),