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Genus Overview
No genus-level description defined.
Characteristics
POLLUTION TOLERANCE
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
Collector / Gatherer
Scraper / Grazer
MOVEMENT
Clinger
Swimmer
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 present on tops and sides of abdomen. Segmented legs present. One tarsal claw per leg. Usually with 3 tails (sometimes 2).
Family: Mandibular tusks absent. Gills on abdominal segment 1 with single or double lamellae (plates) or forked. Gills on segments 2–7 double-layered lamellate (plate-like) and terminated in filaments or points and without fringe, or oval with fringe.
Genus: Not defined.