Species list, Checklist of Suborder Polyphaga (Polyphags) for Xenia (Clay County, Illinois, 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 Suborder Polyphaga Emery, 1886 (Polyphags)
and region Xenia (Clay County, Illinois, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	15 26 33	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	15 26 33	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	6 8 9	Families Genera Species	Taxom
Superorder	Holometabola Heider, 1889 Holometabolous Insects	4 6 7	Families Genera Species	Taxom
Order	Coleoptera Linnaeus, 1758 Beetles, Coleopterans	3 5 6	Families Genera Species	Taxom
Suborder	Polyphaga Emery, 1886 Polyphags	3 5 6	Families Genera Species	Taxom

List of families for Xenia
3 Families width 6 Species

Dryopidae Billberg, 1820	Long toed water beetle	1	Species	Taxom
Elmidae Curtis, 1830	Drive beetles	4	Species	Taxom
Psephenidae Lacordaire, 1854	Water pennies	1	Species	Taxom

Genera for Xenia
5 Genera with 6 Species

Helichus Erichson, 1824	1	Species	Taxom
Macronychus Mueller, 1825	1	Species	Taxom
Optioservus Sanderson, 1850	1	Species	Taxom
Psephenus Haldeman, 1844	1	Species	Taxom
Stenelmis Dufour, 1938	2	Species	Taxom

Species list for Xenia
6 Species

Helichus lithophilus Germar, 1824
Macronychus glabratus Say, 1825
Optioservus (Optioservus) fastiditus LeConte, 1850	Fastidious Riffle Beetle
Psephenus herricki Dekay, 1844	Echo Cave Beetle
Stenelmis crenata Say, 1824
Stenelmis sexlineata Sanderson, 1938	Puff

Subnodes of Polyphaga with occurrences in Xenia

Infraorder

Elateriformia
Crowson, 1960

3
5
6

Families
Genera
Species

Taxom

Links, sources and further information

Polyphaga at artfakta.se
Polyphaga at dyntaxa.se
Polyphaga at gbif.org
Polyphaga at irmng.org
Polyphaga at itis.gov
Polyphaga at itis.gov