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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Hind wings each with vein R1 complete, extending to apical margin of wing (sf 19.589) | Hind wings each with vein R1 incomplete, not extending to apical margin of wing (sf 19.586) |
Northwest distribution | |
Remaining families: Thremmatidae and Uenoidae | |
1 Example SpecimenThis large caddisfly looks really neat close-up.
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Go to Couplet 11 | Goeridae |