Steve Burke's Salmon and Steelhead Fly-Tying Guide
Disco Caddis (Grau)

Disco Caddis (Grau)
Name Disco Caddis
Category Steelhead
BodyLight Green or Other Appropriate Color Braided Mylar Tubing (I subbed Wrapped Flashabou)
ThoraxNatural Hare's Ear Dubbing with Collar of Guard Hairs
Head Black

The pattern for this fly came from the fine book by Dick Stewart and Farrow Allen, Flies for Steelhead. They write that this Caddis larvae imitation was developed for Michigan Rivers by Walt Grau.