This is a variant of the original Balloon Caddis tyed by Roman Moser which I have attached a link below for you to see..
Materials Used;
Hook, Fulling Mill All-Purpose Medium size 12
Thread, Tan Uni-8/0
Rib, Brown Floss
Body, Fulling Mill Euro Flash Dub Caddis Larva Cream Pearl
Wing and Thorax Cover, Cinnamon or Natural CDC Feathers
Legs, Pre-knotted Pheasant Tail Fibres
Thorax, Fulling Mill Euro Flash Dub Brown UV
Horns, Bronze Mallard Fibres