Species list, Checklist of Superfamily Hydrophiloidea (Histerids) for Ostrobothnia (Western Finland, Finland)

Class	Insecta Linnaeus, 1758 Insects, True insects	123 537 740	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	123 537 740	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	120 534 737	Families Genera Species	Taxom
Superorder	Holometabola Heider, 1889 Holometabolous Insects	103 501 710	Families Genera Species	Taxom
Order	Coleoptera Linnaeus, 1758 Beetles, Coleopterans	31 130 150	Families Genera Species	Taxom
Suborder	Polyphaga Emery, 1886 Polyphags	29 121 141	Families Genera Species	Taxom
Infraorder	Staphyliniformia Lameere, 1900	6 21 23	Families Genera Species	Taxom
Superfamily	Hydrophiloidea Latreille, 1802 Histerids, Hydriphiloids, Hydrophilids	3 4 4	Families Genera Species	Taxom

List of families for Ostrobothnia
3 Families width 4 Species

Genera for Ostrobothnia
4 Genera with 4 Species

Species list for Ostrobothnia
4 Species

Cercyon (Cercyon) unipunctatus Linnaeus, 1758	Water scavenger beetle
Helophorus (Rhopalohelophorus) strigifrons Thomson, 1868
Helopium agabus ♰ J. O. Westwood, 1854
Sphaerites glabratus (Fabricius, 1792)	⇒ Sphaerites politus Mannerheim, 1846

Subnodes of Hydrophiloidea with occurrences in Ostrobothnia

Family	Helophoridae Leach, 1815 Water scavenger beetles	1 1	Genus Species	Taxom
Family	Hydrophilidae Latreille, 1802 Silver Water Beetles, Water beetles, water scavenger beetle, Water scavenger beetles, Water scawenger beetles	2 2	Genera Species	Taxom
Family	Sphaeritidae Schuckard, 1839 false clown beetle, False clown beetles, Sphaeritids	1 1	Genus Species	Taxom

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