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Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 5.5 and higher
Midwest: 3.7 and higher
Mid-Atlantic: 4 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Engulfer / Predator
MOVEMENT
Diver
Swimmer
DISTRIBUTION
Southeast
HABITAT
Lentic-littoral
Lotic-depositional
Diagnostic Characters
+ Expanded Character List
Order: Adults with hardened forewings (elytra) covering the hind wings. 
Family: Short antennae with clubbed apices. Compound eyes divided into separate dorsal and ventral portions ("4-eyed" appearance).
Genus: Not defined.