Yellow May Dun vs Granulated Ground Beetle
Side-by-side species comparison
| Attribute | Yellow May Dun | Granulated Ground Beetle |
|---|---|---|
| Scientific Name | Heptagenia sulphurea | Carabus granulatus |
| Order | Ephemeroptera | Coleoptera |
| Family | Heptageniidae | Carabidae |
| Size | 10-15 mm | 16-23 mm |
| Habitat | Rivers & Streams | Wetlands |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Western Europe, Central Europe, Northern Europe, Eastern Europe |
| Conservation | Least Concern | Least Concern |
Yellow May Dun
A bright sulfur-yellow mayfly common across European rivers during early summer. Its flat nymphs are adapted to fast-flowing water on stony substrates.
Did You Know?
The striking yellow color of this mayfly makes it one of the most easily recognizable species on European rivers.
Granulated Ground Beetle
A widespread dark bronze ground beetle with distinctly ridged and granulated wing cases. It thrives in damp habitats near water and marshes.
Did You Know?
It is one of the few ground beetles that can swim short distances across puddles and streams.