The Devil Bug
The adult caddis hold its wings tent-like over its back. Imitations of the adult mimic this distinctive feature. Art by Jason Borger
At the Edmonton Seminar that I conducted with Mike Lawson, I was asked several questions about tying the adult caddis imitations that I use. I tied the Poly Caddis, but there was not time to tie the Devil Bug. This is a modification of the Tom Thumb fly of Canada. The modification comes in the way the body is formed that adds extra flotation. In addition, I trim the head a bit shorter than that on the Tom Thumb so the fly always rides correctly on the water as I skate it. In addition, I use it for a diving caddis. The head is the correct size to allow the fly to dive and suck an air bubble with it. So, here it is, straight out of my book, Designing Trout Flies. (Art by Jason Borger.)
