» Family Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs)
3 genera aren't included.
This is page 5 of specimens of Ephemerellidae. Visit the main Ephemerellidae page for:
- The behavior and habitat of Ephemerellidae.
- 37 underwater pictures of Ephemerellidae.
Pictures of 271 Mayfly Specimens in the Family Ephemerellidae:
Eurylophella (Chocolate Duns) Mayfly Nymph
View 4 PicturesClose examination under a microscope easily showed abdominal tubercles (
Tubercle: Various peculiar little bumps or projections on an insect. Their character is important for the identification of many kinds of insects, such as the nymphs of Ephemerellidae mayflies.).
A few (not all) of the abdominal tubercles on this Ephemerella needhami
nymph are circled. They are especially large in this species.