Hairy Whirligig Beetle vs Larch Sawfly
Side-by-side species comparison
| Attribute | Hairy Whirligig Beetle | Larch Sawfly |
|---|---|---|
| Scientific Name | Orectochilus villosus | Pristiphora erichsonii |
| Order | Coleoptera | Hymenoptera |
| Family | Gyrinidae | Tenthredinidae |
| Size | 5-7 mm | 8-12 mm (adult) |
| Habitat | Rivers & Streams | Forests |
| Diet | Omnivores | Omnivores |
| Regions | Europe | North America, Europe |
| Conservation | Least Concern | Not Evaluated |
Hairy Whirligig Beetle
A nocturnal whirligig beetle covered in fine golden hairs that trap air underwater. Unlike other whirligigs it hides under stones by day.
Did You Know?
It is the only European whirligig beetle that is primarily nocturnal rather than diurnal.
Larch Sawfly
The most important defoliator of larch in North America. Periodic outbreaks can last for years and cause significant growth reduction.
Did You Know?
Indigenous peoples used outbreaks as a calendar marker, as they occurred with notable regularity.