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

Suborder Polyphaga - Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles


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),

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;

Discovery of a New World ladybird beetle Nephaspis indus Gordon, 1996 (Coleoptera: Coccinellidae: Scymnini) on the Island of ...
By Xiaosheng Chen, Xiufeng Xie, Shunxiang Ren, Xingmin Wang
Biodiversity Data Journal 4: e10537, 2016
Full title: Discovery of a New World ladybird beetle Nephaspis indus Gordon, 1996 (Coleoptera: Coccinellidae: Scymnini) on the Island of Taiwan
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Subcoccinella vigintiquatuorpunctata (L.), first Virginia record and new North American host of an adventive lady beetle...
By Wheeler, A.G. Jr.
Banisteria (2): 22-24., 1993
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Wheeler, A.G. Jr. 1993. Subcoccinella vigintiquatuorpunctata (L.), first Virginia record and new North American host of an adventive lady beetle (Coleoptera: Coccinellidae). Banisteria (2): 22-24.

A review of the genus Nodopus, with a description of a new species from southeastern North America (Coleoptera: Malachiidae)
By Mayor A., Wittmer W.
Col. Bull. 35: 473-476, 1981