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 |
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Segment 2 of male forceps (sf 13.255) with distinct swelling or bulge on inner margin | Segment 2 of male forceps without distinct swelling or bulge on inner margin |
Pseudocentroptiloides No further information about this genus is available on Troutnut.com at this time. | Procloeon |