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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Staphyliniformia » Staphylinoidea » Rove Beetles (Staphylinidae) » Staphylininae » Staphylinini » Staphylinina » Tasgius

Genus Tasgius

Classification · Synonyms and other taxonomic changes · Explanation of Names · Numbers · Size · Identification · Range · Habitat · See Also · Works Cited
Beetle? - Tasgius ater Staphylinid - Tasgius ater Large Rove Beetle - Tasgius winkleri Ocypus nitens - Tasgius melanarius Tasgius winkleri - Tasgius winkleri Tasgius ater Rove Beetle - Tasgius Rove beetle? - Tasgius
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 Staphylininae
Tribe Staphylinini
Subtribe Staphylinina
Genus Tasgius
Synonyms and other taxonomic changes
treated by some workers as a subgen. of Ocypus
Explanation of Names
Tasgius Stephens 1829
Numbers
3 spp. in our area (all adventive)(1), 45 spp. total(2)
Size
15-20 mm
Identification
Large, black; mandibles rather slender, with one tooth on inner edge. Last segment of labial palpi dilated and terminally truncate, seen here:

key to spp. here(3) ; more hints on species pages.
Range
native to the Palaearctic (widespread)(2), adventive in NA: ne. & nw. US + adjacent Canada(1)
Habitat
especially under debris near water; also common in various synanthropic situations, incl. in urban areas(1)
See Also
Ocypus spp. are very similar, but have stouter mandibles with small teeth in front of the big one, and different labial palpi
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.Newton A.F., Thayer M.K. Catalog of higher taxa of Staphyliniformia and genera and subgenera of Staphylinoidea [online]
3.Staphylinidae of eastern Canada and the adjacent United States. Keys to subfamilies; Staphylininae: ...
Brunke A., Newton A., Klimaszewski J., Majka C.G., Marshall S. 2011. CJAI 12: 1‒110.
Contributed by Tony DiTerlizzi on 29 March, 2006 - 5:55pm
Additional contributions by Boris Bueche, v belov
Last updated 17 March, 2021 - 12:07pm

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