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

Superfamily Ephemerelloidea

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Ephemeroptera - Mayflies
Suborder Furcatergalia
Infraorder Pannota
Superfamily Ephemerelloidea

Family Ephemerellidae - Spiny Crawler Mayflies
Family Leptohyphidae - Little Stout Crawler Mayflies
Family Neoephemeridae - Large Squaregill Mayfly