menu
Navigational Views
Resources
Help
PocketMacros App
Project Blog
About
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”
Ephemerellidae
genus
Attenella
Drunella
Ephemerella
Eurylophella
Serratella
Eurylophella
“Spiny Crawler Mayflies”
Genus Overview
The genus has 16 species in North America.  Identifical of the genus is fairly simple but the species identifical requires dissection of the gills. The genus can be found in ponds to springs to large rivers. 
Characteristics
POLLUTION TOLERANCE
Southeast: 0.3 - 5.1
Upper Midwest: 1 - 5
Midwest: 2.1 and higher
Mid-Atlantic: 4 and higher
0 = least tolerant, 10 = most tolerant
FEEDING HABITS
Collector / Gatherer
Shredder / Detritivore
MOVEMENT
Clinger
Sprawler
DISTRIBUTION
Widespread (east of the Rocky Mtns.)
HABITAT
Lentic-littoral
Lotic-depositional
Lotic-erosional
Diagnostic Characters
order
Abdominal Gills
Single Tarsal Claw
Usually 3 Tails
family
Segment 2 Without Gills
genus
Forefemur
Operculate gill
+ Expanded Character List
iNaturalist is an online social network and crowdsourced species identification platform
No iNaturalist images found.
Dorsal
Ventral