Species list, Checklist of Superfamily Hydrophiloidea (Histerids) for Tvedestrand (Østre Agder, Norway)

Class	Insecta Linnaeus, 1758 Insects, True insects	154 666 908	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	154 666 908	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	139 636 864	Families Genera Species	Taxom
Superorder	Holometabola Heider, 1889 Holometabolous Insects	118 599 821	Families Genera Species	Taxom
Order	Coleoptera Linnaeus, 1758 Beetles, Coleopterans	47 185 223	Families Genera Species	Taxom
Suborder	Polyphaga Emery, 1886 Polyphags	41 155 179	Families Genera Species	Taxom
Infraorder	Staphyliniformia Lameere, 1900	6 33 46	Families Genera Species	Taxom
Superfamily	Hydrophiloidea Latreille, 1802 Histerids, Hydriphiloids, Hydrophilids	2 3 4	Families Genera Species	Taxom

List of families for Tvedestrand
2 Families width 4 Species

Hydrophilidae Latreille, 1802	Silver Water Beetles	3	Species	Taxom
Helophoridae Leach, 1815	Water scavenger beetles	1	Species	Taxom

Genera for Tvedestrand
3 Genera with 4 Species

Species list for Tvedestrand
4 Species

Anacaena globula Paykull, 1798
Anacaena lutescens Stephens, 1829
Helopium agabus ♰ J. O. Westwood, 1854
Laccobius (Laccobius) minutus C. Linnaeus, 1758

Subnodes of Hydrophiloidea with occurrences in Tvedestrand

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 3	Genera Species	Taxom

Links, sources and further information