White-Lined Darkling Beetle vs Large Elm Beetle
Side-by-side species comparison
| Attribute | White-Lined Darkling Beetle | Large Elm Beetle |
|---|---|---|
| Scientific Name | Eleodes longicollis | Oulimnius tuberculatus |
| Order | Coleoptera | Coleoptera |
| Family | Tenebrionidae | Elmidae |
| Size | 20-28 mm | 2-3 mm |
| Habitat | Deserts & Drylands | Rivers & Streams |
| Diet | Detritivores | Omnivores |
| Regions | North America | Europe |
| Conservation | Least Concern | Least Concern |
White-Lined Darkling Beetle
A smooth, elongated darkling beetle with a distinctively long pronotum. It is common in the Chihuahuan and Sonoran deserts.
Did You Know?
Like other Eleodes, it performs a headstand to spray noxious chemicals at attackers.
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.