Plecoptera: Stoneflies
- The characteristics of these insects, their life cycle, feeding and habitat, with illustrations.
- http://www.ento.csiro.au/education/insects/plecoptera.html

Plecoptera
- Characteristics and phylogeny of stoneflies, from the Tree of Life project.
- http://tolweb.org/tree?group=Plecoptera&contgroup=Neoptera

Plecoptera Images
- Over 60 images of stoneflies.
- http://tolweb.org/tree/eukaryotes/animals/arthropoda/hexapoda/plecoptera/slideshows/index.htm

North American Stonefly List
- List of 628 species and in which states and provinces they occur.
- http://www.mc.edu/campus/users/stark/Sfly0102.htm

American Stoneflies
- Notes and images for each of the nine families of Stoneflies occur in North America.
- http://www.mc.edu/campus/users/stark/american.html

Stoneflies of the United States
- Information on hundreds of species, including distribution maps and county checklists.
- http://www.npwrc.usgs.gov/resource/distr/insects/sfly/sflyusa.htm