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.
In 799 records from GBIF, adults of this family have mostly been collected during June (29%), July (25%), May (15%), August (14%), April (7%), and September (5%).
In 255 records from GBIF, this family has been collected at elevations ranging from 3 to 20669 ft, with an average (median) of 1881 ft.