“Common Stoneflies”
Genus Overview
Located in riffles this predatory stonefly whose diet has been well studied, tend to feed off chironomids, hydropsychids, mayflies and black flies. Identification to species as larvae is difficult and several studies have been found to erroneously report findings based on mixed species.
Characteristics
POLLUTION TOLERANCE
Southeast: 0
Midwest: 1.8
Mid-Atlantic: 2
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Engulfer / Predator
MOVEMENT
Clinger
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-erosional
Diagnostic Characters
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