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.
Stream photos
In 109 records from GBIF, adults of this family have mostly been collected during June (40%), May (28%), July (20%), and April (7%).
In 61 records from GBIF, this family has been collected at elevations ranging from 3 to 5548 ft, with an average (median) of 1749 ft.