“Common Stoneflies”
Genus Overview
At least 18 species of Acroneuria occur in North America, living in small streams to large rivers. Mature larvae are engulfing predators, feeding mainly on Chironomidae (Diptera), Ephemeroptera, Plecoptera, and Trichoptera. Adults are unusually vagile, capable of flying long distances, so that they are widely distributed. This is a genus that is often imitated as wet or dry artificial flies by fly fishers.
Characteristics
POLLUTION TOLERANCE
Southeast: 1.5
Upper Midwest: 0
Midwest: 2.3
Mid-Atlantic: 0
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Engulfer / Predator
MOVEMENT
Clinger
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-erosional
Diagnostic Characters
Media
Acroneuria
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