Mayfly Family Heptageniidae (March Browns, Cahills, Quill Gordons)
Taxonomic Navigation -?-
Kingdom Animalia (Animals)
» Phylum Arthropoda (Arthropods)
» Class Insecta (Insects)
» Order Ephemeroptera (Mayflies)
» Family Heptageniidae (March Browns, Cahills, Quill Gordons)
| Genus in Heptageniidae |  |  |
| CinygmaWestern Light Cahills | 0 | 0 |
| CinygmulaDark Red Quills | 1 | 10 |
| EcdyonurusWestern Ginger Quills | 0 | 0 |
| EpeorusLittle Maryatts | 29 | 186 |
| Heptagenia | 4 | 18 |
| Ironodes | 0 | 0 |
| Leucrocuta | 8 | 47 |
| MaccaffertiumMarch Browns and Cahills | 56 | 266 |
| Nixe | 1 | 13 |
| Rhithrogena | 3 | 19 |
| StenacronLight Cahills | 8 | 48 |
| Stenonema | 1 | 6 |
4 genera aren't included.
Common Name
| Match | Common Name |
 | March Browns, Cahills, Quill Gordons |
This is page 2 of streamside pictures of Heptageniidae. Visit the main Heptageniidae page for:
- The behavior and habitat of Heptageniidae.
- Studio pictures of 122 Heptageniidae specimens.
- 11 underwater pictures of Heptageniidae.
6 Streamside Pictures of Heptageniidae Mayflies:
View Full Size
This Maccaffertium mayfly dun is well-camouflaged among the moss and cedar debris on a midstream log.
In this picture: Mayfly Genus Maccaffertium (March Browns and Cahills).
In this picture: Mayfly Genus Maccaffertium (March Browns and Cahills).
This male Stenacron interpunctatum spinner rests on a wooden dock over the warmwater lake on which he was found. Many of his kind were in the air over parts of the lake at dusk.
In this picture: Mayfly Species Stenacron interpunctatum (Light Cahill).
In this picture: Mayfly Species Stenacron interpunctatum (Light Cahill).
I photographed the underside of this March Brown dun right after it emerged so that I would have the exact color for an imitation.
In this picture: Mayfly Species Maccaffertium vicarium (March Brown).
In this picture: Mayfly Species Maccaffertium vicarium (March Brown).
New features!
