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.
In 1967 records from GBIF, adults of this genus have mostly been collected during August (27%), July (24%), June (18%), September (15%), October (7%), and May (5%).
In 1099 records from GBIF, this genus has been collected at elevations ranging from -30 to 38927 ft, with an average (median) of 1047 ft.
Shelter type: Thick tubes of stone, sand, bark, or wood