Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs)
Taxonomic Navigation -?-
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 3 of underwater photos of Ephemerella. Visit the main Ephemerella page for:
- The behavior and habitat of Ephemerella.
- Studio pictures of 123 Ephemerella specimens.
- 6 streamside pictures of Ephemerella.
37 Underwater Pictures of Ephemerella Mayflies:

Several well-camouflaged Ephemerella mayfly nymphs cling to this log, and a few cased caddisfly larvae cling to the plant in front of it.
In this picture: Insect Order Trichoptera (Caddisflies) and Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs).
In this picture: Insect Order Trichoptera (Caddisflies) and Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs).


An Ephemerella subvaria nymph clings to a white rock in the foreground, and there are other nymphs in the background.
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies).
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies).

In this picture: Insect Order Trichoptera (Caddisflies) and Mayfly Species Ephemerella subvaria (Hendrickson).

A large Ephemerella subvaria nymphs clings to a log along with a couple smaller mayfly nymphs.
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).

There are several species of caddisfly larvae and Ephemerella nymphs on this rock.
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies).
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies).

This log houses several Ephemerella mayfly nymphs and, on the top right, an Epeorus mayfly nymph.
In this picture: Mayfly Species Ephemerella invaria (Sulphur) and Mayfly Genus Epeorus (Little Maryatts).
In this picture: Mayfly Species Ephemerella invaria (Sulphur) and Mayfly Genus Epeorus (Little Maryatts).


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies).

A couple Sulphur (Ephemerella invaria) nymphs cling to a log.
In this picture: Mayfly Species Ephemerella invaria (Sulphur).
In this picture: Mayfly Species Ephemerella invaria (Sulphur).
