• Hook: standard wide gap dry fly

• Thread: UTC 70 (or 6/0) - tan

• Shuck: Antron yarn - PMD shuck olive

• Rib: UTC 70 - tan

• Body: Superfine Dubbing - tan

• Wing: CDC Natural Dun - 3 or 4 feathers

• Post: Parapost - white

• Collar: CDC natural dun spun in a loop

The “Corn-fed” is one of the most popular caddis patterns on the Missouri River, and is equally effective on most other Montana rivers during mid-summer caddies hatches.