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 91 records from GBIF, adults of this genus have mostly been collected during June (33%), May (22%), July (20%), and August (12%).
In 59 records from GBIF, this genus has been collected at elevations ranging from 39 to 5103 ft, with an average (median) of 1881 ft.