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 spring or summer
Preferred waters: Lakes or rivers
In 1159 records from GBIF, adults of this family have mostly been collected during July (30%), June (30%), August (19%), May (8%), and September (7%).
In 607 records from GBIF, this family has been collected at elevations ranging from -30 to 14692 ft, with an average (median) of 774 ft.
Diet: Smaller aquatic insects; other food when small
Current speed: Still or slow
Shelter type: Leaf or bark
Caddisfly larvae of this family can easily leave and re-enters their cases. I caught two of them playing musical chairs or something with this one... funny!