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Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 1.1 and higher
Upper Midwest: 1 and higher
Midwest: 3.1 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
Collector / Gatherer
Engulfer / Predator
MOVEMENT
Burrower
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
Diagnostic Characters
+ Expanded Character List
Order: Wings developing in wing pads. Mouthparts suitable for chewing. Gills present on tops and sides of abdomen. Segmented legs present. One tarsal claw per leg. Usually with 3 tails (sometimes 2).
Family: Large tusks project forward anteriorly from the face and are visible dorsally, when viewed laterally they curve upward. Foretibiae are fossorial (modified for burrowing: expanded or with tubercles). Ventral apex of each hind tibia acutely pointed. Abdominal gills on segments 2–7 are conspicuous dorsally, forked and elongate-lancolate, with fringed margins, giving the animal a fluffy appearance.
Genus: Not defined.