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Family Overview
The body is small to middle-size (1/4–3/4 inch), slender, and without gills; the labium (lower lip) appears to have only two apical lobes; there is no color pattern on the head or thorax; the wing pads are not divergent, but are parallel with the body; the cerci (long slender filaments at the end of the body) are short, no more than ¾ as long as the abdomen.
Characteristics
POLLUTION TOLERANCE
Upper Midwest: up to 1
Southeast: 0 - 1.4
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
Engulfer / Predator
Scraper / Grazer
MOVEMENT
Clinger
Media
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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: The body is small to middle-size (1/4–3/4 inch), slender, and without gills; the labium (lower lip) appears to have only two apical lobes; there is no color pattern on the head or thorax; the wing pads are not divergent, but are parallel with the body; the cerci (long slender filaments at the end of the body) are short, no more than ¾ as long as the abdomen.