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:
The larva lives in a silken net that is funnel-shaped, tubular, flattened, or like a spider web; the top of the first thoracic segment is covered by sclerites, but the tops of the second and third thoracic segments are membranous; at the front of the base of each front leg is a foretrochantin that is pointed apically (not hatchet-shaped); the tarsi of all legs are more or less cylindrical, not flattened; tibiae are at least as long as the tarsi; anal prolegs are long and freely moveable.