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Genus Overview
The genus Taeniopteryx includes 11 known North American species. Larvae can be found in very diverse habitats ranging from cool or warm springs, rock or sand-bottomed streams, and sometimes even in intermittent streams; usually they are in fast water, but sometimes in depositional areas at stream margins. Typically they are clingers and sprawlers in coarse sediments, wood, leaf packs, or other debris. Sometimes they allow algae, fungus, and other debris to build up on their back to aid in camouflage, giving them a dirty appearance.
Characteristics
POLLUTION TOLERANCE
Southeast: 1.4 - 6.3
Upper Midwest: 2
Mid-Atlantic: 2
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
Scraper / Grazer
Shredder / Detritivore
MOVEMENT
Clinger
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Lotic-erosional
Diagnostic Characters
+ Expanded Character List
Order: Wings developing in wing pads. Mouthparts suitable for chewing. Gills digitiform and located near mouthparts, on neck, sides of thorax, or underside of base of abdomen, never on top or sides of abdomen. Two tarsal claws per leg. Only two tails (cerci).
Family: Paraglossae and glossae about same length. Second tarsal segment of each leg about same length as first. Wing pads divergent, not parallel with body. Gills absent on abdominal segments. Unlike Peltoperlidae, gills, if present, not conical, and thoracic sterna not overlapping. Unlike Nemouridae, hind legs not reaching end of the abdomen.
Genus: Coxa each with single digitiform, segmented gill at mesal side of base.