Genus Overview
The North American fauna includes at least 14 species of this widespread genus. Larvae are predators climbing among rooted plants in lentic habitats and slow-flowing streams.
Characteristics
POLLUTION TOLERANCE
Southeast: 9.8 and higher
Mid-Atlantic: 10 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Engulfer / Predator
MOVEMENT
Climber
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
Lotic-depositional
Diagnostic Characters