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Species Harpalus caliginosus - Murky Ground Beetle

Beetle - Harpalus caliginosus Murky Ground Beetle - Harpalus caliginosus Carabid ground beetle - Harpalus caliginosus Beetle - Harpalus caliginosus Harpalus sp.?  Canaan Valley NWR - Harpalus caliginosus Ground beetle - Harpalus caliginosus Murky Ground Beetle - Harpalus caliginosus - male Harpalus caliginosus (Fabricius, 1775) - Harpalus caliginosus - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Supertribe Harpalitae
Tribe Harpalini
Subtribe Harpalina
Genus Harpalus
No Taxon (Subgenus Megapangus)
Species caliginosus (Murky Ground Beetle)
Other Common Names
Dingy Ground Beetle
Explanation of Names
Harpalus caliginosus (Fabricius 1775)
18-26 mm, larger than most members of the genus
Literature says head distinctly punctate, otherwise externally little different from Harpalus katiae which has head impunctate. In females the last tergite (pygidium) demonstrates an angulated apex with abrupt upturn of the margin at the tip unlike the evenly rounded apex without sudden upturn seen in Harpalus katiae.
transcontinental, Canada to Mexico; in our area, NS-SK-WA to FL-CA(1)
Fields, cultivated land; often on Ragweed (Ambrosia)
Apr-Dec in SC(2)
Adults are predatory on other insects, esp. larvae. Also eats seeds, sometimes fruit (strawberries)
Life Cycle
Life cycle assumed to be one year. Eggs laid in soil.
often found at lights indoors and outdoors(3)
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.Ground Beetles and Wrinkled Bark Beetles of South Carolina
Janet Ciegler. 2000. Clemson University.
3.Handbook of urban insects and arachnids: A handbook of urban entomology
Robinson W.H. 2005. Cambridge University Press.