Humpy, Blue Flash

This fly acts as an attractor rather than an imitator, using a flash of blue to trigger curiosity or aggression. It may vaguely resemble beetles or iridescent-winged caddisflies.

History:
A more modern take on the Humpy, the Blue Flash version uses flashy synthetic materials to stand out in fast or stained water. Developed for Western rivers, it is favored for its visibility and strike-provoking effect.