Examples of larval and adult caddisflies. A. Adult caddisfly. B. Larval case of Limnephilidae made of bitten-off plant pieces. C. Adult caddisfly. D. Larval caddisfly in case made of snail shells. E. Larval caddisfly in case of wood.

Different types of Caddisflies with corresponding letters

Photo A courtesy of James K. Lindsey; Photos B–E: Creative Commons