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

Family Ephemeridae - Common Burrower Mayflies

Mayfly - Ephemera simulans - male Hexagenia Please ID  - Hexagenia limbata Not sure what kind of insect this is? - Hexagenia Common Burrower Mayfly - Hexagenia bilineata - male Mysterybug - Hexagenia atrocaudata Mysterybug - Hexagenia atrocaudata Mayfly - Hexagenia
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Family Ephemeridae (Common Burrower Mayflies)
Numbers
Three genera, 13 species in North America (1)
Size
10-30 mm
Identification
Large size, "strongly divergent M and Cu veins in front wings." (1) Hindwings small.

"Naiads have long cylidrical bodies, tapered at both ends, shapr mandibles that curve outward like tusks, long fringed antenna, three cauda (anal filaments) and legs adapted for digging in the mud." (2)

Arnett order #6 family #11. (1)
Habitat
Streams, lakes and nearby.
Season
Summer.
Food
Adults do not feed.
Life Cycle
Larvae burrow in sand, silt of streams, lakes. Adults come to lights.
Print References
Arnett, p. 116, fig. 6.9 (1)
Swan and Papp, p. 167 (2)