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 July to mid-August in the Upper Midwest
In 64 records from GBIF, adults of this species have mostly been collected during June (41%), July (17%), August (17%), May (11%), and September (6%).
In 15 records from GBIF, this species has been collected at elevations ranging from 466 to 4606 ft, with an average (median) of 1112 ft.
Time of day: Dusk or night