Water Scorpion vs Striped Whirligig Beetle
Side-by-side species comparison
| Attribute | Water Scorpion | Striped Whirligig Beetle |
|---|---|---|
| Scientific Name | Nepa cinerea | Gyrinus substriatus |
| Order | Hemiptera | Coleoptera |
| Family | Nepidae | Gyrinidae |
| Size | 18-22 mm | 5-7 mm |
| Habitat | Ponds & Lakes | Ponds & Lakes |
| Diet | Omnivores | Omnivores |
| Regions | Europe, Asia | Europe, Western Asia |
| Conservation | Least Concern | Least Concern |
Water Scorpion
A flat aquatic bug that lurks in shallow water resembling a dead leaf. It breathes through a long tail-like siphon that breaks the water surface.
Did You Know?
Despite its name and scorpion-like raptorial forelegs, the water scorpion is a weak swimmer and instead ambushes prey from vegetation.
Striped Whirligig Beetle
A small whirligig beetle common across Europe, with fine longitudinal lines on the elytra. It aggregates in large swarms on sheltered pond surfaces.
Did You Know?
Groups coordinate their circular swimming using ripples on the water surface as communication signals.