The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Option 1 | Option 2 |
---|---|
Prothoracic gills reduced to nipple-like stubs | Prothoracic gills well developed |
Mesothoracic and metathoracic gills forked (sf 16.35) | Mesothoracic and metathoracic gills simple and thumb-like (sf 16.147) |
California and Oregon | Western North America |
Salmoperla Species Salmoperla sylvanica | Megarcys |