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Genus Calathus

Brown Beetle - Calathus ruficollis Beetle - Calathus opaculus 22Sep2017.BF.P.coleo2 - Calathus Unknown Beetle -- Pterostichini? - Calathus fuscipes 20210513 C1 - Calathus opaculus - male Calathus opaculus? - Calathus opaculus Calathus ruficollis? - Calathus ruficollis Calathus? - Calathus ruficollis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Harpalinae
Supertribe Harpalitae
Tribe Sphodrini
Genus Calathus
Synonyms and other taxonomic changes
revised in Ball & Negre (1972)(1)
Explanation of Names
Calathus Bonelli 1810
Numbers
8 spp. in 3 subgenera our area, >180 spp. in 11 subgenera total(2)
Identification
tarsal claws pectinate (comb-like)
Range
throughout NA, the Holarctic Region, and the adjacent mountains to the south(3)
Works Cited
1.The taxonomy of the Nearctic species of the genus Calathus Bonelli (Coleoptera: Carabidae: Agonini)
Ball G.E., Negre J. 1972. Trans. Am. Ent. Soc. 98: 412-533.
2.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
3.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.