Species list, Checklist of Superfamily Dryopoidea for Columbia County (Oregon, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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Checklist for Superfamily Dryopoidea Hunt & al., 2007
and region Columbia County (Oregon, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	158 602 833	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	158 602 833	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	141 560 764	Families Genera Species	Taxom
Superorder	Holometabola Heider, 1889 Holometabolous Insects	111 490 669	Families Genera Species	Taxom
Order	Coleoptera Linnaeus, 1758 Beetles, Coleopterans	28 135 161	Families Genera Species	Taxom
Suborder	Polyphaga Emery, 1886 Polyphags	24 101 116	Families Genera Species	Taxom
Infraorder	Elateriformia Crowson, 1960	6 12 16	Families Genera Species	Taxom
Superfamily	Dryopoidea Hunt & al., 2007	2 3 3	Families Genera Species	Taxom

List of families for Columbia County (Oregon)
2 Families width 3 Species

Dryopidae Billberg, 1820	Long toed water beetle	1	Species	Taxom
Elmidae Curtis, 1830	Drive beetles	2	Species	Taxom

Genera for Columbia County (Oregon)
3 Genera with 3 Species

Helichus Erichson, 1852	1	Species	Taxom
Microcylloepus Hinton, 1852	1	Species	Taxom
Optioservus Sanderson, 1850	1	Species	Taxom

Species list for Columbia County (Oregon)
3 Species

Helichus striatus LeConte, 1852
Microcylloepus pusillus LeConte, 1852
Optioservus (Optioservus) fastiditus LeConte, 1850	Fastidious Riffle Beetle

Subnodes of Dryopoidea with occurrences in Columbia County (Oregon)

Family	Dryopidae Billberg, 1820 long toed water beetle, Long-toe water beetles, Long-toed water beetles	1 1	Genus Species	Taxom
Family	Elmidae Curtis, 1830 Drive beetles, riffle beetle, Riffle beetles	2 2	Genera Species	Taxom

Links, sources and further information

Dryopoidea at dyntaxa.se
Dryopoidea at itis.gov