Family: Metretopodidae

Cleft-Footed Minnow Mayflies

These photos supplement pages 49-62 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Metrotopodidae can be found on page 60. Metrotopodidae have oval gills on abdominal segments 1-7. The gills in the photo on the right are missing, which is common.

Metrotopodidae

Metrotopodidae claw Metrotopodidae cerci

Ephemeroptera

BaetidaeBaetidae
Minnow Mayflies

Baetiscidae

Baetiscidae
Armored Mayflies

CaenidaeCaenidae
Square-Gill Mayflies
 

EphemerellidaeEphemerellidae
Spiny Crawler Mayflies
 

EphemeridaeEphemeridae
Burrowing Mayflies

HeptageniidaeHeptageniidae
Flathead Mayflies
 

IsonychiidaeIsonychiidae
Brush-Legged Mayflies

LeptophlebiidaeLeptophlebiidae
Prong-Gilled Mayflies

MetretopodidaeMetretopodidae
Cleft-Footed Mayflies

PolymitarcyidaePolymitarcyidae
Pale Burrowing Mayflies

PotamanthidaePotamanthidae
Hacklegill Mayflies

SiphlonuridaeSiphlonuridae
Primitive Minnow Mayflies

TricorythidaeTricorythidae
Stout Crawler Mayflies