Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
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 |