Marsh Ridge River Guide Service caddis pupa can be fished as a Dropper fly a swing fly or as a wet nymphing fly. Anyway you use this fly it will out fish many other choices. This Fly is proven on the Pere Marquette River and Pine River for Brown trout and rainbows. The Marsh caddis pupa has also netted plenty of steelhead…Sizes are 14/12/10. Price for a dozen is $10.00