“Aquatic Caterpillars, Snout Moths”
“Alderflies, Dobsonflies, and Fishflies”
“Dragonflies and Damselflies”
Only one species, Lype diversa, in North America. Larvae construct a silk hide open on both ends to allow water to flow through. They are found on wood debris.
Upper Midwest: 2
Scraper / Grazer
Widespread (east of the Rocky Mtns.)
Prolegs With Single Hook
+ Expanded Character List
Order: Larvae: Wings/wing pads absent. Eye spots present, but compound eyes absent. Antennae usually small, inconspicuous. Three pairs of segmented legs present on thorax. Pair of anal prolegs, each with single hook, located on last abdominal segment. Larvae can be free-living, in silken retreats attached to substrate, or in usually-portable tubes or cases made of sand, rocks, or plant material.
Family: Antennae small, nub-like, and inconspicuous. Foretrochantin broad and hatched-shaped. Meso- and metanota membranous. Abdominal tergum IX membranous. Larvae creating stationary retreats composed of sand and detritus, usually built on rocks or large woody debris.
Genus: Large cleaver like trochantin, head two toned without muscle scars, mandibles lacking prominent bump