This buggy pattern can mimic a wide variety of bugs based on size and color. Caddis, Scuds, Sowbugs.
The lead underbody keeps it nice and low in the water column. It's an excellent dropper off of a Caddis Dry Fly during the Summer, but a great pattern to use as a lead fly year-round.
Hook: TMC 2499SP-BL or 2488H #6-16
Thread: White 70 Denier UTC
Weight: Lead Wire
Shellback: Tan 1/8th Inch Scud Back
Over Rib: 5X Mono
Under Rib: Copper Wire
Abdomen: Olive Dubbing (something buggy)
Head: Black UV Ice Dubbing