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.
DMM on Jan 19, 2007January 19th, 2007, 3:00 pm EST
Calopteryx
These are beautiful as adults. Wherever you get these, you should go back when they are emerging. Alternatively, keep them in your aquarium until they emerge. They're easy enough to keep...except when you have Aeshna with them...