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.
Time of year : Late winter to mid-spring
In 708 records from GBIF, adults of this family have mostly been collected during March (29%), February (24%), January (18%), April (12%), and December (10%).
In 93 records from GBIF, this family has been collected at elevations ranging from 125 to 8648 ft, with an average (median) of 3212 ft.