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subgenus Chlaenius

Vivid Metallic Ground Beetles - Chlaenius aestivus - male - female Ground beetle - Chlaenius sericeus Chlaenius aestivus aestivus vs tricolor... - Chlaenius aestivus Chlaenius laticollis Vivid Metallic Ground Beetle - Chlaenius aestivus Chlaenius augustus Chlaenius sericeus  ? - Chlaenius sericeus
Classification
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 Pterostichitae
Tribe Chlaeniini
Genus Chlaenius (Vivid Metallic Ground Beetles)
No Taxon subgenus Chlaenius
Numbers
14 spp. in our area, ~140 total(1)
Identification
third antenomere elongated, pronotum broad
Range
worldwide except Australasia(1); most of our area north to 57°N(2)
Remarks
Works Cited
1.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.
2.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.