Genus Overview
8 species in North America. This group is commonly called giant water bugs. Mostly found in slow, pool areas of streams to rivers, lakes and ponds.
Characteristics
POLLUTION TOLERANCE
Southeast: 9.8 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Piercer / Predator
MOVEMENT
Climber
Swimmer
Swimmer
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
Lotic-depositional
Diagnostic Characters