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Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Mid-Atlantic: 8 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
Collector / Gatherer
MOVEMENT
Diver
Swimmer
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
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Diagnostic Characters
+ Expanded Character List
Order: Wings and wing pads absent. Eye spots sometimes visible, but compound eyes absent. Segmented legs absent, but sometimes fleshy prolegs present. Sometimes with distinct head, often without head or with head drawn deeply into thorax. Body flattened, cylindrical, or maggot-like.
Family: head is distinct and fully exposed; there are prominent mouth brushes on each side of the head; the thoracic segments are fused, indistinguishable from each other, and wider than the head or abdomen.
Genus: Not defined.