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Species Megasternum obscurum

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Staphyliniformia)
Superfamily Hydrophiloidea
Family Hydrophilidae (Water Scavenger Beetles)
Subfamily Sphaeridiinae
Tribe Megasternini
Genus Megasternum
Species obscurum (Megasternum obscurum)
Synonyms and other taxonomic changes
Now synonymized under M. concinnum Marsham.
Range
Introduced Palearctic species; restricted to the Pacific Northwest (BC, WA) (1).
Works Cited
1.Review of the Family Hydrophilidae of Canada and Alaska
Ales Smetana. 1988. Entomological Society of Canada.