“Hackle-gills”
Genus Overview
4 species in North America. Species identification requires mature larvae with large tusks. This is the only genus in the family, Potamanthidae.
Characteristics
POLLUTION TOLERANCE
Southeast: 1.6 and higher
Upper Midwest: 4 and higher
Midwest: 3.2 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
MOVEMENT
Burrower
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Diagnostic Characters
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