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Checklist for Subclass Pterygota Lang, 1888 (Winged insects)
and region Halcottsville (Delaware County, New York, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		3
6
9		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		3
6
9		Families
Genera
Species		 
Taxom
 


List of families for Halcottsville
3 Families width 9 Species
Perlidae Latreille, 1802Common stoneflies1SpeciesTaxom
Elmidae Curtis, 1830Drive beetles7SpeciesTaxom
Psephenidae Lacordaire, 1854Water pennies1SpeciesTaxom


Genera for Halcottsville
6 Genera with 9 Species
Acroneuria Pictet, 18381SpeciesTaxom
Optioservus Sanderson, 19303SpeciesTaxom
Oulimnius des Gozis, 18661SpeciesTaxom
Promoresia Sanderson, 19251SpeciesTaxom
Psephenus Haldeman, 18441SpeciesTaxom
Stenelmis Dufour, 19382SpeciesTaxom


Species list for Halcottsville
9 Species
Acroneuria abnormis Newman, 1838Common Stone
Optioservus (Optioservus) fastiditus LeConte, 1850Fastidious Riffle Beetle
Optioservus (Optioservus) ovalis LeConte, 1863
Optioservus (Optioservus) trivittatus Brown, 1930
Oulimnius latiusculus LeConte, 1866
Promoresia tardella Fall, 1925
Psephenus herricki Dekay, 1844Echo Cave Beetle
Stenelmis crenata Say, 1824
Stenelmis mera Sanderson, 1938Puff

Subnodes of Pterygota with occurrences in Halcottsville
InfraclassNeoptera
van der Wulp, 1890
Modern Wing-folding insects		3
6
9		Families
Genera
Species
Taxom



Links, sources and further information
Pterygota at itis.gov
Pterygota at marinespecies.org