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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
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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 not evident, but is reduced to some sclerotized rods inside the thorax; there are no segmented legs; the pair of posterior spiracles are fused with each other and usually on the apex of a telescopic respiratory tube which can be short or very long.
Genus: Not defined.