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 478 records from GBIF, adults of this genus have mostly been collected during May (29%), June (27%), July (19%), April (11%), and August (7%).
In 167 records from GBIF, this genus has been collected at elevations ranging from 59 to 11401 ft, with an average (median) of 3287 ft.
Time of day: Dusk to nighttime
Current speed: Slow
Substrate: Vegetation