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“Net-tube Caddisflies”
Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 4.3
Upper Midwest: 2
Midwest: 2.8
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Scraper / Grazer
MOVEMENT
Clinger
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-erosional
Diagnostic Characters
+ 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: Not defined.