One of the biggest genus in animal kingdom (>2000 species).These small (1.7-7.5 mm) rove beetles usually inhabit river banks, .... ; they hunt for spring tails; many species are able to apply chemical warfare. more info @ Wikipedia:
de.wikipedia.org/wiki/StenusPhylum: Arthropoda LATREILLE, 1829 (arthropods, Gliederfer)Subphylum: Hexapoda BLAINVILLE, 1816Class: Insecta (insects, Insekten)Subclass: Pterygota (Fluginsekten)Infraclass:Neoptera MARTYNOV, 1923 Order: Coleoptera LINNAEUS, 1758 (beetles, Kfer)Suborder:Polyphaga EMERY, 1886Infraorder: Staphyliniformia LAMEERE, 1900Superfamily: Staphylinoidea LATREILLE, 1802Family: Staphylinidae LATREILLE, 1802 (rove beetles, Kurzflgler)Subfamily: Steninae MACLEAY, 1825Genus:
Stenus LATREILLE, 1796 ?[det. andre de kesel 2014, based on photos]Germany, Berlin: Jungfernheide (Havel), 16.08.2013_______________________________________________MP-E65mm (3x), 1/200s, f/9, ISO100, ring-flash, hand-heldIMG_2209