“Long-toed Water Beetles”
Genus Overview
This is a widespread genus with 7 North American species. Adults are clingers in fast water, feeding generally as scrapers and shredders-herbivores.
Characteristics
POLLUTION TOLERANCE
Southeast: 5.4 and higher
Upper Midwest: 5 and higher
Midwest: 3.2 and higher
Mid-Atlantic: 5 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Scraper / Grazer
Shredder / Herbivore
Shredder / Herbivore
MOVEMENT
Climber
Clinger
Clinger
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-erosional
Lotic-erosional
Diagnostic Characters
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