PHYLUM
CLASS
ORDER
FAMILY
GENUS
CLASS
ORDER
FAMILY
GENUS
ORDER
FAMILY
GENUS
GENUS
FAMILY
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
FAMILY
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
FAMILY
GENUS
GENUS
GENUS
GENUS
GENUS
FAMILY
GENUS
FAMILY
GENUS
GENUS
FAMILY
GENUS
GENUS
GENUS
GENUS
GENUS
FAMILY
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
FAMILY
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
GENUS
ORDER
FAMILY
GENUS
FAMILY
GENUS
FAMILY
GENUS
CLASS
ORDER
FAMILY
GENUS
FAMILY
GENUS
GENUS
Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
Southeast: 9.8 and higher
Upper Midwest: 10 and higher
Midwest: 8.1 and higher
Mid-Atlantic: 10 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
Collector / Gatherer
Shredder / Herbivore
MOVEMENT
Burrower
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lentic-profundal
Lotic-depositional
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: Mandibles move against each other along horizontal or oblique plane. Head complete and fully exposed. Hook-bearing prothoracic and anal prolegs paired, though division may be slight and only at apex. Spiracles absent (apneustic). Body segments usually without conspicuous dorsal tubercles and setae as in some Ceratopogonidae.
Genus: Not defined.