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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 » Tasgius ater

Species Tasgius ater

Classification · Synonyms and other taxonomic changes · Explanation of Names · Size · Identification · Range · Habitat · Remarks · Internet References · Works Cited

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

Species ater (Tasgius ater)

Synonyms and other taxonomic changes

Ocypus ater

Explanation of Names

Tasgius ater (Gravenhorst 1802)

Size

15-20 mm

Identification

Pronotum shiny, with smooth midline like in the other species, with punctures of two sizes (diagnostic), larger punctures at least their diameter apart;

Mandibles with triangular tooth on inner margin (subgenus Tasgius s.str.);

Very helpful, and not in the books: Abdomen with several apparent tactile setae both laterally and dorsally; setae about as long as antennomere 3.

Range

native to w. Palaearctic, introduced elsewhere (NA, New Zealand); in our area, across Canada and in scattered US locations(1)

Habitat

under debris near water (including marine situations) but also common near habitations (in gardens, cellars, shacks)(1)

Remarks

first recorded in NA in 1802(1)

Internet References

Species page(2)

Works Cited

1.	Introduced Staphylinidae (Coleoptera) in the Maritime Provinces of Canada Majka C.G., Klimaszewski J. 2008. The Canadian Entomologist 140: 48-72.

2.	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 Boris Büche on 23 July, 2007 - 6:04am
Additional contributions by Beatriz Moisset, v belov
Last updated 7 October, 2021 - 5:55pm

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