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Tribe Trechini

Neaphaenops tellkampfi tellkampfi - Neaphaenops tellkampfi Ground Beetle - Trechus apicalis Small carabid? - Trechus Ground Beetle - Trechus obtusus Ground Beetle (subgenus Trechus) - Trechus Trechinae? - Trechus oval beetle - Trechus Trechus from Humboldt, ? T. humboldti? - Trechus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Carabidae (Ground Beetles)
Subfamily Trechinae
Supertribe Trechitae
Tribe Trechini
Numbers
ca. 300 spp. in 9 genera in our area (all in the subtribe Trechina), ~2650 spp. in >170 genera of 2 subtribes worldwide(1)(2)
Size
typically 2-7 mm(1)
Identification
monotonous in color and form; eyes very often small or lacking(1)
Works Cited
1.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.
2.Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico
Bousquet Y. 2012. ZooKeys 245: 1–1722.