Mayfly Species Ephemerella invaria (Sulphur)
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)
» Species invaria (Sulphur)
Common Names
This is page 2 of underwater photos of Ephemerella invaria. Visit the main Ephemerella invaria page for:
- The behavior and habitat of Ephemerella invaria.
- Studio pictures of 43 Ephemerella invaria specimens.
- 2 streamside pictures of Ephemerella invaria.
15 Underwater Pictures of Ephemerella invaria Mayflies:

Some large Ephemerella mayfly nymphs cling to a log. In the background, hundreds of Simuliidae black fly larvae swing in large clusters in the current.
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson), Mayfly Species Ephemerella invaria (Sulphur), and True Fly Family Simuliidae (Black Flies).
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson), Mayfly Species Ephemerella invaria (Sulphur), and True Fly Family Simuliidae (Black Flies).

The white blotches on this rock are Leucotrichia caddisfly cases, and the wispy tubes are cases made by a type of midge.
In this picture: Caddisfly Species Leucotrichia pictipes (Ring Horn Microcaddis), Mayfly Species Ephemerella invaria (Sulphur), and True Fly Family Chironomidae (Midges).
In this picture: Caddisfly Species Leucotrichia pictipes (Ring Horn Microcaddis), Mayfly Species Ephemerella invaria (Sulphur), and True Fly Family Chironomidae (Midges).




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).

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).



