The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
Option 1 | Option 2 |
---|---|
Lateral abdominal gills present (sf 16.146) | Lateral obdominal gills absent |
California and Nevada | |
Remaining genera: Megarcys, Perlinodes, and Salmoperla | |
Oroperla Species Oroperla barbara | Go to Couplet 4 |