| Caddisfly, Apataniidae, Psychomyiidae, Molannidae, Ecnomidae|Arctopsychidae Wikipedia
The Arctopsychidae are a family of net-spinning caddisflies. Larvae tend to live in clear, cold streams with stony bottoms. The larvae are often filter feeders, and will spin aquatic nets between stones to catch food particles. Adults will then emerge from the water to fly between late May and mid August. Distribution is holarctic and oriental.