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Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
MOVEMENT
Burrower
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
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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: The head is distinct and conspicuous; there are no segmented legs; body segments are subdivided into 2 or 3 subdivisions, most of which have hard, dark, transverse plates; the end of the abdomen usually has a relatively short, conical respiratory tube.
Genus: Not defined.