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Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

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Tribe Trechini

Small ground beetle - Trechus obtusus Small ground beetle - Trechus obtusus Ground Beetle - Trechus obtusus T. ovipennis - Trechus obtusus Tiny Beetle - Trechus Blemus discus Carabidae, Trechus? - Trechus Trechus apicalis - male
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 Trechinae
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.