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Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Florence (Washington County, Pennsylvania, USA)


Class
 		Insecta
Linnaeus, 1758
Insects, True insects		83
210
220		Families
Genera
Species		 
Taxom
 

Subclass
 		Pterygota
Lang, 1888
Winged insects		83
210
220		Families
Genera
Species		 
Taxom
 

Infraclass
 		Palaeoptera
Crampton, 1915
Ancient winged insects		6
12
14		Families
Genera
Species		 
Taxom
 


List of families for Florence (Washington County Pennsylvania)
6 Families width 14 Species
Coenagrionidae Kirby, 1890Narrow-winged damselflies4SpeciesTaxom
Baetidae Leach, 1815Mayflies0SpeciesTaxom
Calopterygidae Selys, 1850Broad-winged damselflies2SpeciesTaxom
Ephemeridae Leach, 1817Burrowing mayflies2SpeciesTaxom
Libellulidae Rambur, 1842Chasers4SpeciesTaxom
Heptageniidae Needham, 1901Flat-Bodied Up-Wings Heptageniidae2SpeciesTaxom


Genera for Florence (Washington County Pennsylvania)
12 Genera with 14 Species
Argia Rambur, 1861Dancers1SpeciesTaxom
Callibaetis Eaton, 1881
Speckled Duns0SpeciesTaxom
Calopteryx Leach, 1805Demoiselle Damselflies1SpeciesTaxom
Enallagma Charpentier, 1919American Bluets2SpeciesTaxom
Hetaerina Hagen, 1798Rubyspots1SpeciesTaxom
Hexagenia Walsh, 1829Giant Mayflies2SpeciesTaxom
Ischnura Charpentier, 1898Forktail1SpeciesTaxom
Libellula Linnaeus, 1758Chaser Or Darter Dragonfly2SpeciesTaxom
Maccaffertium Bednarik, 18621SpeciesTaxom
Stenacron Jensen, 1839Light Cahills1SpeciesTaxom
Stenonema Traver, 1933
0SpeciesTaxom
Sympetrum Newman, 1874Darter Dragonfly2SpeciesTaxom


Species list for Florence (Washington County Pennsylvania)
14 Species
Argia moesta Hagen, 1861Powdered Dancer
Calopteryx maculata Palisot de B..., 1805Black-winged Damselfly
Enallagma geminatum Kellicott, 1895Skimming Bluet
Enallagma vesperum Calvert, 1919Vesper Bluet
Hetaerina americana Fabricius, 1798American Rubyspot
Hexagenia (Hexagenia) bilineata Say, 1824Emergent Mayfly
Hexagenia (Hexagenia) limbata Serville, 1829Burrowing mayfly
Ischnura kellicotti Williamson, 1898Lilypad Forktail
Libellula lydia (Drury, 1773)⇒ Tolidomoxia nigerrima Ermisch, 1950
Libellula quadrimaculata Linnaeus, 1758Four Spotted Chaser
Maccaffertium terminatum Walsh, 1862
Stenacron interpunctatum Say, 1839Ginger quill
Sympetrum corruptum Hagen, 1861Variegated meadowhawk
Sympetrum pallipes Hagen, 1874Striped meadowhawk

Subnodes of Palaeoptera with occurrences in Florence (Washington County Pennsylvania)
SuperorderEphemeropteroidea
Rohdendorf, 1968
3
5
4		Families
Genera
Species
Taxom

SuperorderOdonatoptera
Martynov, 1932
3
7
10		Families
Genera
Species
Taxom



Links, sources and further information
Palaeoptera at itis.gov