Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs)
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Kingdom Animalia (Animals)
» Phylum Arthropoda (Arthropods)
» Class Insecta (Insects)
» Order Ephemeroptera (Mayflies)
» Family Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs)
» Genus Ephemerella (Hendricksons, Sulphurs, PMDs)
11 species aren't included.
Common Name
| Match | Common Name |
 | Hendricksons, Sulphurs, PMDs |
This is page 10 of specimens of Ephemerella. Visit the main Ephemerella page for:
- The behavior and habitat of Ephemerella.
- 37 underwater pictures of Ephemerella.
- 6 streamside pictures of Ephemerella.
123 Mayfly Specimens in the Genus Ephemerella:
Ephemerella aurivillii Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Feb 5, 2004
Added Jan 25, 2006
Ephemerella subvaria (Hendrickson) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Jan 31, 2004
Added Jan 25, 2006
Ephemerella subvaria (Hendrickson) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Jan 12, 2004
Added Jan 25, 2006
Ephemerella invaria (Sulphur) Mayfly Nymph
View 2 Pictures
View 2 PicturesRegion: Upper Midwest
Collected Mar 10, 2004
Added Jan 19, 2006
Ephemerella subvaria (Hendrickson) Mayfly Nymph
View 2 PicturesHere's another of the nymphs I collected behaving strangely, as described for this specimen.
View 2 PicturesHere's another of the nymphs I collected behaving strangely, as described for this specimen.Region: Upper Midwest
Collected Mar 17, 2004
Added Jan 25, 2006
Ephemerella subvaria (Hendrickson) Mayfly Nymph
View 3 PicturesHere's another nymph with strange markings subvaria. I suspect it's the same species and it's just wide individual variation.
View 3 PicturesHere's another nymph with strange markings subvaria. I suspect it's the same species and it's just wide individual variation.Region: Upper Midwest
Collected Feb 7, 2004
Added Jan 25, 2006
Ephemerella (Hendricksons, Sulphurs, PMDs) Mayfly Nymph
View 2 PicturesI only took two partial pictures of this specimen to test out one of my microscopes.
View 2 PicturesI only took two partial pictures of this specimen to test out one of my microscopes.Region: Northeast
Collected Nov 15, 2004
Added Apr 12, 2006
Ephemerella invaria (Sulphur) Mayfly Nymph
View 3 Pictures
View 3 PicturesRegion: Upper Midwest
Collected Mar 10, 2004
Added Jan 19, 2006
Ephemerella aurivillii Mayfly Nymph
View 4 Pictures
View 4 PicturesRegion: Upper Midwest
Collected Feb 5, 2004
Added Jan 25, 2006
Ephemerella (Hendricksons, Sulphurs, PMDs) Mayfly Nymph
View 2 PicturesHere's a puzzling nymph. It seemed to have double-banded tibiae (Tibia: A middle segments in the leg of an insect, located between the femur and the tarsus.), although the second band wasn't very pronounced. It has quite prominent 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.) that definitely aren't black.
View 2 PicturesHere's a puzzling nymph. It seemed to have double-banded tibiae (Tibia: A middle segments in the leg of an insect, located between the femur and the tarsus.), although the second band wasn't very pronounced. It has quite prominent tubercles (
View Full Size
A few (not all) of the abdominal tubercles on this Ephemerella needhami nymph are circled. They are especially large in this species.
Region: Upper Midwest
Collected Mar 10, 2004
Added Jan 19, 2006
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