“Riffle Beetle Larvae”
Genus Overview
11 species in North America. This genus is distinct with the long length of the last segment of the abdomen.
Characteristics
POLLUTION TOLERANCE
Southeast: 6.4 and higher
Upper Midwest: 6 and higher
Midwest: 3.2 and higher
Mid-Atlantic: 6 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
Scraper / Grazer
Shredder / Herbivore
Scraper / Grazer
Shredder / Herbivore
MOVEMENT
Climber
Clinger
Clinger
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-erosional
Diagnostic Characters
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