“Non-Biting Midges, Midges”
Genus Overview
The genus of Chironomidae is known by the antennae being annulated. They are usually found in cool running water. Species estimated at above 20 species in North America.
Characteristics
POLLUTION TOLERANCE
Southeast: 7.7 and higher
Upper Midwest: 8 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
Scraper / Grazer
Scraper / Grazer
MOVEMENT
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-erosional
Diagnostic Characters
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