Black Mayfly vs Small Spurwing Mayfly
Side-by-side species comparison
| Attribute | Black Mayfly | Small Spurwing Mayfly |
|---|---|---|
| Scientific Name | Ephemera danica var. nigra | Centroptilum luteolum |
| Order | Ephemeroptera | Ephemeroptera |
| Family | Ephemeridae | Baetidae |
| Size | 15-25 mm body | 5-8 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Detritivores |
| Regions | Europe | Europe |
| Conservation | Least Concern | Least Concern |
Black Mayfly
A dark color variant of the common Green Drake mayfly found in some European populations. The dark form is more prevalent in upland, acidic waters. Important for trout feeding.
Did You Know?
The dark form predominates in acidic upland streams while the typical yellow form prefers alkaline lowland rivers.
Small Spurwing Mayfly
A tiny, elegant mayfly with a distinctive spur on its hindwing. It is widespread in European streams and rivers with good water quality.
Did You Know?
Unlike most mayflies that swarm over water, small spurwings often emerge individually and drift with the current.