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Plecoptera: Perlodidae of Gunnison County, Colorado
Isogenoides Male key to species

Updated 28Mar2005                
1a. Apical hook present at tip of epiproct.

1b. Apical hook absent at tip of epiproct.

References

Baumann,RW; Gaufin,AR; Surdick,RF 1977 The stoneflies (Plecoptera) of the Rocky Mountains. Memoirs of the American Entomological Society 31, 1-208.

Links

Key to Isogenoides Females of Gunnison County
Key to Isogenoides Nymphs of Gunnison County
Brown, Wendy S. 2004 Plecoptera or Stoneflies of Gunnison County, Colorado
www.gunnisoninsects.org