Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Family Polymitarcyidae - Pale Burrower Mayflies

White Mayfly -  Maccaffertium? - Ephoron album - female Moths and larve? - Ephoron album Adult Male Tortopus sp. (Ephemeroptera:Polymitarcyidae) - Tortopus - male Unknown Mayfly - Tortopsis ID Request Polymitarcyidae: Ephoron? - Ephoron Polymitarcyidae: Ephoron album? mayfly sequence - Ephoron
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Furcatergalia
Infraorder Scapphodonta
Superfamily Ephemeroidea
Family Polymitarcyidae (Pale Burrower Mayflies)
Numbers
6 spp. in 3 genera in our area(1), ~90 spp. in 7 genera total(2)
Identification
Similar to Ephemeridae, but nymphal mandibular tusks have spines on the top surface and are not curved upward; the ventral apex of the hind tibia rounded, not pointed
Range
all continents except Australia, by far most diverse in the Neotropics(1)(2)
Internet References