“Riffle Beetles”
Genus Overview
Only one species found in North America. Recognized by the shiny elytra margin.
Characteristics
POLLUTION TOLERANCE
Southeast: 4.7 and higher
Upper Midwest: 4 and higher
Midwest: 2.9 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
MOVEMENT
Clinger
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Lotic-erosional
Lotic-erosional
Diagnostic Characters
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