Green Alder Sawfly vs Long-Toed Water Beetle
Side-by-side species comparison
| Attribute | Green Alder Sawfly | Long-Toed Water Beetle |
|---|---|---|
| Scientific Name | Monsoma pulveratum | Stenelmis crenata |
| Order | Hymenoptera | Coleoptera |
| Family | Tenthredinidae | Elmidae |
| Size | 6-8 mm | 2-3.5 mm |
| Habitat | Rivers & Streams | Rivers & Streams |
| Diet | Herbivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Green Alder Sawfly
A pale green sawfly that blends well with alder foliage. Larvae are translucent green and feed on the undersides of alder leaves.
Did You Know?
This species is one of the few sawflies where the adult body color closely matches its host plant foliage, providing effective camouflage.
Long-Toed Water Beetle
A small riffle beetle with elongated tarsal claws for gripping rocks in fast currents. Both adults and larvae are entirely aquatic.
Did You Know?
Adults can live for several years underwater, far longer than most beetles.