Fossil caddisfly have been found in rocks dating back to the Triassic.
•
Caddisfly cases resemble bagworm cases, which are constructed by various terrestrial moth species.
Amphiesmenoptera is an insect superorder, established by Willi Hennig in his revision of insect taxonomy for two sister orders: Lepidoptera (butterflies and moths) and Trichoptera (caddisflies).
The fast and cold hardwater stream, Parfrey's Glen Creek, flows through the gorge and harbors a rare species of diving beetle (Agabus confusus) and a rare caddisfly (Limnephilus rossi).
Following a 12-month assessment, the U.S. Fish and Wildlife Service in 2012 determined the Platte River caddisfly was not suited to be listed as an endangered species.
Tobias' caddisfly (Hydropsyche tobiasi) was a caddisfly which lived on the River Rhine between Mainz and Cologne.