Species list, Checklist of Suborder Polyphaga (Polyphags) for Roscoe (Davis County, Iowa, 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

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INSECTOIDGERENGDARK LIGHT

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Checklist for Suborder Polyphaga Emery, 1886 (Polyphags)
and region Roscoe (Davis County, Iowa, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	25 44 40	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	25 44 40	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	22 38 37	Families Genera Species	Taxom
Superorder	Holometabola Heider, 1889 Holometabolous Insects	20 34 32	Families Genera Species	Taxom
Order	Coleoptera Linnaeus, 1758 Beetles, Coleopterans	4 6 6	Families Genera Species	Taxom
Suborder	Polyphaga Emery, 1886 Polyphags	3 5 5	Families Genera Species	Taxom

List of families for Roscoe (Davis County Iowa)
3 Families width 5 Species

Dryopidae Billberg, 1820	Long toed water beetle	1	Species	Taxom
Elmidae Curtis, 1830	Drive beetles	4	Species	Taxom
Scarabaeidae (Latreille, 1802)	Dung beetles	0	Species	Taxom

Genera for Roscoe (Davis County Iowa)
5 Genera with 5 Species

Helichus Erichson, 1824		1	Species	Taxom
Macronychus Mueller, 1825		1	Species	Taxom
Optioservus Sanderson, 1850		1	Species	Taxom
Stenelmis Dufour, 1824		2	Species	Taxom
Tomarus Erichson, 1847	Carrot Beetles	0	Species	Taxom

Species list for Roscoe (Davis County Iowa)
5 Species

Helichus lithophilus Germar, 1824
Macronychus glabratus Say, 1825
Optioservus (Optioservus) fastiditus LeConte, 1850	Fastidious Riffle Beetle
Stenelmis bicarinata LeConte, 1852
Stenelmis crenata Say, 1824

Subnodes of Polyphaga with occurrences in Roscoe (Davis County Iowa)

Infraorder	Elateriformia Crowson, 1960	2 4 5	Families Genera Species	Taxom
Infraorder	Scarabaeiformia Crowson, 1960	1 1 0	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