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 26 records from GBIF, adults of this genus have been collected during June (42%), August (27%), May (19%), and July (12%).
In 8 records from GBIF, this genus has been collected at elevations ranging from 52 to 4203 ft, with an average (median) of 1394 ft.