Species list, Checklist of Suborder Polyphaga (Polyphags) for Viola (Mercer 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 Viola (Mercer County, Illinois, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	40 58 71	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	40 58 71	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	29 37 40	Families Genera Species	Taxom
Superorder	Holometabola Heider, 1889 Holometabolous Insects	26 34 37	Families Genera Species	Taxom
Order	Coleoptera Linnaeus, 1758 Beetles, Coleopterans	7 10 9	Families Genera Species	Taxom
Suborder	Polyphaga Emery, 1886 Polyphags	5 6 5	Families Genera Species	Taxom

List of families for Viola (Mercer County Illinois)
5 Families width 5 Species

Dryopidae Billberg, 1820	Long toed water beetle	1	Species	Taxom
Helophoridae Leach, 1815	Water scavenger beetles	1	Species	Taxom
Elmidae Curtis, 1830	Drive beetles	1	Species	Taxom
Rutelidae MacLeay, 1819		1	Species	Taxom
Curculionidae Latreille, 1802	Ambrosia beetles	1	Species	Taxom

Genera for Viola (Mercer County Illinois)
6 Genera with 5 Species

Helichus Erichson, 1824	1	Species	Taxom
Helopium Westwood, 1854	1	Species	Taxom
Optioservus Sanderson, 1954	0	Species	Taxom
Paranomala Casey, 1845	1	Species	Taxom
Rhinusa Stephens, 1792	1	Species	Taxom
Stenelmis Dufour, 1824	1	Species	Taxom

Species list for Viola (Mercer County Illinois)
5 Species

Helichus lithophilus Germar, 1824
Helopium agabus ♰ J. O. Westwood, 1854
Paranomala undulata Melsheimer, 1845
Rhinusa tetra Fabricius, 1792	European Curculionid Weevil
Stenelmis crenata Say, 1824

Subnodes of Polyphaga with occurrences in Viola (Mercer County Illinois)

Infraorder	Cucujiformia Lameere, 1938	1 1 1	Family Genus Species	Taxom
Infraorder	Elateriformia Crowson, 1960	2 3 2	Families Genera Species	Taxom
Infraorder	Scarabaeiformia Crowson, 1960	1 1 1	Family Genus Species	Taxom
Infraorder	Staphyliniformia Lameere, 1900	1 1 1	Family Genus 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