Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Subgenus Stenus

rove beetle - Stenus erythropus Subgenus Nestus - Stenus Rove Beetle - Stenus Rove beetle  - Stenus tiny & squirrelly rove beetle - Stenus colon Stenus morio Stenus laccophilus Stenus alpicola (Fauvel) - Stenus alpicola
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Staphyliniformia)
Superfamily Staphylinoidea
Family Staphylinidae (Rove Beetles)
Subfamily Steninae (Water Skaters)
Genus Stenus
No Taxon Subgenus Stenus
Size
Usually 4 mm or more
Identification
a non-phylogenetic assemblage for practical reasons.

Distinguished by abdomen bordered laterally, tarsi longer than half of tibia, and with penultimate segment simple (comment here).