Stoneflies - Plecoptera: Chloroperlidae of Gunnison County, Colorado

Suwallia female key to species

1a. Subgenital plate basally incised, appears to be a tab or capable of flapping.

1b. Subgenital plate not incised, attached to segment through its entire length. May have a variety of shapes at the end of the segment, but no sign of flapping.

2a. Subgenital plate laterally emarginate.

2b. Subgenital plate not laterally emarginate.


Alexander,KD; Stewart,KW 1999 Revision of Genus Suwallia Ricker (Plecoptera: Chloroperlidae). Transactions of American Entomological Society 125 3, 185-250.
     Used to develop this key. Please refer directly to this publication if neccessary!

Good Links

Key to Male Suwallia

Brown, Wendy S. 2004 Plecoptera or Stoneflies of Gunnison County, Colorado