Large Elm Beetle vs Pine False Webworm
Side-by-side species comparison
| Attribute | Large Elm Beetle | Pine False Webworm |
|---|---|---|
| Scientific Name | Oulimnius tuberculatus | Acantholyda erythrocephala |
| Order | Coleoptera | Hymenoptera |
| Family | Elmidae | Pamphiliidae |
| Size | 2-3 mm | 10-15 mm (adult) |
| Habitat | Rivers & Streams | Farmland |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Europe, North America |
| Conservation | Least Concern | Not Evaluated |
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.
Pine False Webworm
An invasive European sawfly that defoliates pines in North America. Unlike typical sawflies, larvae are solitary and spin silk tubes on branches.
Did You Know?
Larvae feed inside silken tubes spun among the needles, unlike the gregarious feeding of most pine sawflies.