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 study certainly presents a can of worms.
Here are some now published results from the request I put out a few years ago. This study certainly presents a can of worms. Thank you to all who helped by sending a few specimens. I regret we could not name everyone in text. Happy reading.
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0038063