Striped Alder Sawfly vs Polar Rove Beetle
Side-by-side species comparison
| Attribute | Striped Alder Sawfly | Polar Rove Beetle |
|---|---|---|
| Scientific Name | Hemichroa crocea | Atheta graminicola |
| Order | Hymenoptera | Coleoptera |
| Family | Tenthredinidae | Staphylinidae |
| Size | 7-9 mm | 2-4 mm |
| Habitat | Rivers & Streams | Heathland |
| Diet | Herbivores | Herbivores |
| Regions | North America, Europe | Scandinavia, Finland, northern Russia, Iceland, subarctic Canada |
| Conservation | Least Concern | Least Concern |
Striped Alder Sawfly
A brightly colored sawfly with an orange body and black markings on the thorax. Larvae are pale yellowish-green with dark dorsal stripes and feed on alder and birch.
Did You Know?
This species can reproduce both sexually and parthenogenetically, with unfertilized eggs developing into males.
Polar Rove Beetle
A tiny, elongate rove beetle with short wing covers and a flexible abdomen. It is dark brown to black and very agile. It lives among decaying vegetation and is a predator of mites and other small arthropods.
Did You Know?
Rove beetles like this species can raise their abdomens like scorpions to deter predators, though they have no stinger.