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 |
---|---|
Chloride epithelia present dorsally on at least some abdominal segments (as in sf 19.299) | Chloride epithelia absent dorsally on abdominal segments |
Remaining genera: Anabolia, Arctopora, Asynarchus, Grammotaulius, and Limnephilus | Remaining genera: Grammotaulius, Limnephilus, Platycentropus, and Sphagnophylax |
5 Example Specimens | 5 Example Specimens |
Go to Couplet 30 | Go to Couplet 33 |