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order
Coleoptera
“Adult Beetles”
Coleoptera
“Larval Beetles”
Diptera
“True Flies”
Ephemeroptera
“Mayflies”
Hemiptera
“True Bugs”
Lepidoptera
“Aquatic Caterpillars, Snout Moths”
Megaloptera
“Alderflies, Dobsonflies, and Fishflies”
Odonata
“Dragonflies and Damselflies”
Plecoptera
“Stoneflies”
Trichoptera
“Caddisflies”
Ephemeroptera
family
Ameletidae
“Comb-mouthed Minnow Mayflies”
Baetidae
“Small Minnow Mayflies”
Baetiscidae
“Armored Mayflies”
Caenidae
“Small Square-gilled Mayflies”
Ephemerellidae
“Spiny Crawler Mayflies”
Ephemeridae
“Burrowing Mayflies”
Heptageniidae
“Flat-headed Mayflies”
Isonychiidae
“Brush-legged Mayflies”
Leptohyphidae
“Little Stout Crawler Mayflies”
Leptophlebiidae
“Prong-gilled Mayflies”
Metretopodidae
“Cleft-footed Minnow Mayflies”
Polymitarcyidae
“Pale Burrower Mayflies”
Potamanthidae
“Hackle-gills”
Siphlonuridae
“Primitive Minnow Mayflies”
Baetiscidae
genus
Baetisca
“Armored Mayflies”
Genus Overview
This mayfly genus is widespread in North America. They are sprawlers and clingers in running water pools and margins (lotic-depositional streams) partially burrowing into silty bottoms and leaf litter, and feed by collecting or scraping organic matter.
Characteristics
POLLUTION TOLERANCE
Southeast: 1.4 and higher
Upper Midwest: 5 and higher
Mid-Atlantic: 4 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
Scraper / Grazer
MOVEMENT
Clinger
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lotic-depositional
Diagnostic Characters
Order
Abdominal Gills
Single Tarsal Claw
Usually 3 Tails
Family
Shield-like Pronotum
+ Expanded Character List
Media
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Dorsal