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Checklist for Infraorder Systellognatha Zwick, 2000
and region Stillwater County (Montana, USA)


Class
 
Insecta
Linnaeus, 1758
Insects, True insects
197
805
1209
Families
Genera
Species
 
Taxom
 

Subclass
 
Pterygota
Lang, 1888
Winged insects
197
805
1209
Families
Genera
Species
 
Taxom
 

Infraclass
 
Neoptera
van der Wulp, 1890
Modern Wing-folding insects
184
776
1147
Families
Genera
Species
 
Taxom
 

Superorder
 
Polyneoptera
Martynov, 1923
21
58
84
Families
Genera
Species
 
Taxom
 

Order
 
Plecoptera
Burmeister, 1839
Stoneflies, Stoneflies Plecoptera, Stonefly
8
13
17
Families
Genera
Species
 
Taxom
 

Suborder
 
Arctoperlaria
Zwick, 1973
8
13
17
Families
Genera
Species
 
Taxom
 

Infraorder
 
Systellognatha
Zwick, 2000
5
9
11
Families
Genera
Species
 
Taxom
 


List of families for Stillwater County
5 Families width 11 Species
Perlidae Latreille, 1802Common stoneflies3SpeciesTaxom
Chloroperlidae Okamoto, 1912Green stoneflies4SpeciesTaxom
Perlodidae Klapálek, 1912Perlodid stoneflies1SpeciesTaxom
Pteronarcyidae Enderlein, 1909Giant stoneflies2SpeciesTaxom
Peltoperlidae Claassen, 1931Roach stoneflies1SpeciesTaxom


Genera for Stillwater County
9 Genera with 11 Species
Acroneuria Pictet, 18381SpeciesTaxom
Alloperla Banks, 1861Sallfly1SpeciesTaxom
Hesperoperla Banks, 19001SpeciesTaxom
Isoperla Banks, 1874Stripetail1SpeciesTaxom
Paragnetina Klapálek, 18521SpeciesTaxom
Pteronarcys Newman, 1823Giant Stoneflies2SpeciesTaxom
Sweltsa Ricker, 18982SpeciesTaxom
Triznaka Ricker, 18951SpeciesTaxom
Yoraperla Ricker, 19071SpeciesTaxom


Species list for Stillwater County
11 Species
Acroneuria abnormis Newman, 1838Common Stone
Alloperla severa Hagen, 1861Western Sallfly
Hesperoperla pacifica Banks, 1900Golden Stone
Isoperla sobria Hagen, 1874Colorado Stripetail
Paragnetina media Walker, 1852Embossed Stone
Pteronarcys californica Newport, 1848Giant Salmonfly
Pteronarcys dorsata Say, 1823American Salmonfly
Sweltsa borealis Banks, 1895Boreal Sallfly
Sweltsa coloradensis Banks, 1898Colorado Sallfly
Triznaka signata Banks, 1895Striped Sallfly
Yoraperla brevis Banks, 1907Least Roachfly

Subnodes of Systellognatha with occurrences in Stillwater County
SuperfamilyPerloidea
Latreille, 1802
3
7
8
Families
Genera
Species

Taxom

SuperfamilyPteronarcyoidea
Newman, 1853
2
2
3
Families
Genera
Species

Taxom



Links, sources and further information
Systellognatha at itis.gov