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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Beetles (Coleoptera) » Ground and Water Beetles (Adephaga) » Ground Beetles (Carabidae) » Harpalinae » Odacanthini » Long-necked Ground Beetles (Colliuris) » Colliuris pensylvanica

Species Colliuris pensylvanica

Classification · Other Common Names · Synonyms and other taxonomic changes · Numbers · Size · Identification · Range · Habitat · Season · Food · Life Cycle · Remarks · See Also · Print References · Internet References · Works Cited
Long-necked Ground Beetle - Colliuris pensylvanica Long-necked Ground Beetle - Colliuris pensylvanica Colliuris pennsylvanicus - Colliuris pensylvanica Thirsty - Colliuris pensylvanica Colliuris pensylvanica Long-necked Ground Beetle - Colliuris pensylvanica Long-necked Ground Beetle - Colliuris pensylvanica Colliuris - Colliuris pensylvanica
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Tribe Odacanthini
Genus Colliuris (Long-necked Ground Beetles)
Species pensylvanica (Colliuris pensylvanica)
Other Common Names
Long-necked Ground Beetle
Synonyms and other taxonomic changes
Colliuris pensylvanica (Linnaeus)

Synonyms include pennsylvanica and pennsylvanicus (misspellings).
Numbers
One of 4 Colliuris species in North America. (1)
Size
6 to 8mm (2)
Identification
Unique shape characterizes this genus, and they are likely ant mimics (3). Head and pronotum black, parts of head and pronotum reddish in the similar C. ludoviciana.
Range
Appears to be widely distributed. I found references for NM, TX, FL, NC, and Canada. White says most of North America (4).

Downie & Arnett give its distribution as Ontario and Quebec south to Florida and west to California and Mexico. (2)
Habitat
In leaf litter and under logs and stones (3), and on vegetation in wet areas (4)
Season
Reported January-June, October-December (North Carolina). January-September (South Carolina).
Food
Apparently predatory--mentioned as a possible aphid predator in documents found on Internet searches.
Life Cycle
Adults likely overwinter, based on seasonal distribution.
Remarks
These little beetles have been found in homes.

They are attracted to lights (5) (2).
See Also
Colliuris
Print References
Dillon and Dillon, p. 104, plate XIII (3)
White, fig. 30 (4)
Papp, illustration 970 (5)
Ciegler, p. 117, keys from similar Colliuris ludoviciana (6).
Salsbury, p. 167--photo (7)
Arnett et al., p. 91, fig. 238 (8)
Papp, p. 53, fig. 148 (9)
Sikes, p. 72--occurrence in Rhode Island (10)
Brimley, p. 124--Casnonia pennsylvanica (11)
Internet References
North Carolina State University collection information--162 pinned.
Image from Cedar Creek.
Beetles of Florida--gives range
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
By Arnett, R.H., Jr., and M. C. Thomas. (eds.)
2.The Beetles of Northeastern North America, Vol. 1 and 2.
By Downie, N.M., and R.H. Arnett
3.A Manual of Common Beetles of Eastern North America
By Dillon, Elizabeth S., and Dillon, Lawrence
4.Peterson Field Guides: Beetles
By Richard E. White
5.A Comprehensive Guide to North American Insects
By Charles S. Papp
6.Ground Beetles and Wrinkled Bark Beetles of South Carolina
By Janet Ciegler
7.Insects in Kansas
By Glenn A. Salsbury and Stephan C. White
8.How to Know the Beetles
By Ross H. Arnett, N. M. Downie, H. E. Jaques
9.Introduction to North American Beetles
By Charles S. Papp
10.The Beetle Fauna of Rhode Island, an Annotated Checklist
By Derek Sikes
11.Insects of North Carolina
By C.S. Brimley
Contributed by Troy Bartlett on 23 January, 2005 - 9:46pm
Additional contributions by cotinis, Brad Barnd
Last updated 5 December, 2007 - 8:06pm

Correct specific epithet...
The correct name for this beast is:

Colliuris pensylvanica (Linnaeus)

These are jr. synonyms:

pennsylvanica
pennsylvanicus

Mike Quinn
__________________________
Texas Beetle Information
www.TexasEnto.net/beetles.htm
… Mike Quinn, 17 December, 2005 - 7:12am

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