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 |
---|---|
Marginal lacinial setal row extending from near subapical tooth to near base (sf 16.167) | Marginal lacinial setal row restricted to apical half (sf 16.171) |
Labrum with yellow longitudinal mesal band | Labrum without longitudinal band |
Submental gills very short, if present | Submental gills absent |
Eastern North America | Western North America and higher latitudes of Eastern North America |
Yugus No further information about this genus is available on Troutnut.com at this time. | Diura |