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 maxillary palpi longer than width of head and usually held conspicuously at or behind the side of the head (source fig 13.61) | Segment 2 of maxillary palpi not greatly elongated, inconspicuous at side of thead |
Uncommon and found at the edges of stream pools, pond margins, swamps, and bog swales | |
5 Example Specimens | |
Arthropleidae Species Arthroplea bipunctata | Heptageniidae |