Mortarjoint casemakers

Belonging to the family Odontoceridae, the caddisflies are aquatic insects that play a pivotal role in freshwater ecosystems. Often misunderstood for being mere nuisance insects, they are, in fact, critical indicators of water quality and a vital part of the food web. The larvae of Odontoceridae construct unique protective cases using materials like sand, stones, and plant debris, showcasing remarkable architectural skills that vary widely between species. This behavior is not only fascinating but also serves as a natural water filtration system, contributing to cleaner streams and rivers. The adults, resembling moths, are equally interesting as they lack functional mouths, living only long enough to reproduce.