order
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Coleoptera
“Adult Beetles”
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Coleoptera
“Larval Beetles”
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Diptera
“True Flies”
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Ephemeroptera
“Mayflies”
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Hemiptera
“True Bugs”
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Lepidoptera
“Aquatic Caterpillars, Snout Moths”
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Megaloptera
“Alderflies, Dobsonflies, and Fishflies”
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Odonata
“Dragonflies and Damselflies”
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Plecoptera
“Stoneflies”
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Trichoptera
“Caddisflies”
family
Polymitarcyidae
“Pale Burrower Mayflies”
Family Overview
Polymitarcyidae
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Pale Burrower Mayflies
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
Collector / Gatherer
MOVEMENT
Burrower
Diagnostic Characters
order
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Abdominal Gills
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Single Tarsal Claw
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Usually 3 Tails
family
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Gills on 2-7 Forked, Long, Curving over Abdomen
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Legs Flattened or Tuberculate
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Long Tusks Straight or Downcurved
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​Hind Tibiae Rounded Apically
+ 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.
Dorsal
Lateral