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.
This species was previously know only from the nymph. I reared nymphs and we described the adults and eggs of this interesting species.
This mayfly was collected from the Vermillion River in Montana on July 20th, 2010 and added to Troutnut.com by Bnewell on June 26th, 2011.