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.
Trochantin: The trochantin, not to be confused with trochanter, is a plate around the base of the leg in many insects. In caddisfly larva, it seems to be a part of the coxa that often (at least on the foreleg) projects forward in a shape that can be useful for identification. These projections create the appearance of the larva wearing spiky pauldrons (shoulder armor).
