One last shot of this cool little guy. (Trichoptera, Helicopsychidae, Helicopsyche). Pratt&

One last shot of this cool little guy. (Trichoptera, Helicopsychidae, Helicopsyche). Pratt’s Falls, NY

Helicopsychidae are clingers, with the larvae living in the portable cases pictured above. Because of how similar their cases look to snail shells, this family was actually originally described as a snail. The helical shape of the case improves resistance to crushing (Voshell, JR. 2002).