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Family Ephemeridae - Common Burrower Mayflies

Fisherman's Delight - Hexagenia limbata large mayfly - Hexagenia limbata Hexagenia ? - Hexagenia  mayfly - Hexagenia Unidentified - Hexagenia Mayfly - Hexagenia - female Burrowing Mayfly - Hexagenia limbata - male Mayfly - Hexagenia bilineata
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)