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Family Overview
Long slender mayfly with its gills long, forked, marginally fringed, and curved over abdomen; pair of sharp tusks projecting beyond head and curved downward; the legs are generally expanded or with tubercles for digging and the hind tibiae are rounded apically.
Characteristics
POLLUTION TOLERANCE
Upper Midwest: up to 2
Southeast: up to 1.5
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Filterer
Collector / Gatherer
MOVEMENT
Burrower
Media
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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: Long slender mayfly with its gills long, forked, marginally fringed, and curved over abdomen; pair of sharp tusks projecting beyond head and curved downward; the legs are generally expanded or with tubercles for digging and the hind tibiae are rounded apically.