Large Elm Beetle vs Pink Lady Mayfly
Side-by-side species comparison
| Attribute | Large Elm Beetle | Pink Lady Mayfly |
|---|---|---|
| Scientific Name | Oulimnius tuberculatus | Epeorus vitreus |
| Order | Coleoptera | Ephemeroptera |
| Family | Elmidae | Heptageniidae |
| Size | 2-3 mm | 9-12 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Large Elm Beetle
A small, robust riffle beetle found throughout European streams. Adults have a distinctive tuberculate surface texture on their elytra.
Did You Know?
It is widely used as a bioindicator of good water quality in European river assessments.
Pink Lady Mayfly
A pale pinkish mayfly of eastern North American streams with a distinctly two-tailed nymph. Adults have translucent wings with a faint rosy tint.
Did You Know?
The pink coloration of the adult body fades to white within minutes of death.