(Giant Salmonfly)
Copyright © 2012 Robert G. Henricks
Copyright © 2010 Sam McNally
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WA Stonefly Description |
| Taxonomic Name (Common Name) | Nymph | Adult |
| Pteronarcyidae (Salmonfly, Giant Stone) |
| Pteronarcys (Giant Salmonfly) | nymph Copyright © 2012 Robert G. Henricks | female adult Copyright © 2010 Sam McNally |
| Gills on abdominal segments 1, 2 (not 3); corners of the pronotum of mature nymphs turn into very long, sharp points. | Large; have abundant crossveins in the forwing anal area. | |
| Pteronarcys californica | Adult length 2-3". Emerges April to June. | |
| Pteronarcys princeps |
| Pteronarcys californica | (no photo) | (no photo) |
| Adult length 2-3". Emerges April to June. |
State of Washington distribution is based on: Valid Stonefly Names for North America.
Created: 08/16/2013 Last modified: 12/08/2014 www.FlyfishingEntomology.com