Quill Gordon Mayfly vs March Brown Mayfly
Side-by-side species comparison
| Attribute | Quill Gordon Mayfly | March Brown Mayfly |
|---|---|---|
| Scientific Name | Epeorus pleuralis | Rhithrogena germanica |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Heptageniidae | Heptageniidae |
| Size | 10-14 mm | 10-14 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Eastern North America | Europe |
| Conservation | Least Concern | Near Threatened |
Quill Gordon Mayfly
A medium-sized flat-bodied mayfly that clings to rocks in fast Appalachian streams. It is one of the first major mayfly hatches of the spring season.
Did You Know?
Quill Gordon nymphs have only two tails instead of the three found in most mayfly species.
March Brown Mayfly
A spring-emerging mayfly with a brownish body and two tails, historically important to European fly fishing. Its flat nymphs cling to rocks in fast water.
Did You Know?
This species has declined significantly in many European rivers due to pollution and is now considered an indicator of water quality.