That is a simple weighted Caddis Larva. Not too many materials, just a few tying steps and no expensive materials. Just a good fishing fly.
Materials:
- Hook: Gamakatsu F22 #10
- Thread: Uni 8/0 Black
- Weight: Lead Wire
- Tail: Natural CDC
- Ribbing: Mono
- Back: Stretch Flex Clear
- Dubbing: Abdomen Hare’s Ear mixed with Ice Dub, Thorax Peacock Dubbing Brown
- Coloration: Marker Pens