Two-spotted Case-bearer vs Large Whirligig Beetle
Side-by-side species comparison
| Attribute | Two-spotted Case-bearer | Large Whirligig Beetle |
|---|---|---|
| Scientific Name | Cryptocephalus bipunctatus | Dineutus americanus |
| Order | Coleoptera | Coleoptera |
| Family | Chrysomelidae | Gyrinidae |
| Size | 4-6 mm | 10-13 mm |
| Habitat | Woodlands | Rivers & Streams |
| Diet | Herbivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Least Concern | Least Concern |
Two-spotted Case-bearer
A cylindrical beetle with red to orange elytra each bearing a single black spot, and a dark head and pronotum. It feeds on the leaves of various deciduous trees.
Did You Know?
The female coats each egg with fecal material before dropping it to the ground, where the larva uses this casing as the foundation for its protective case.
Large Whirligig Beetle
The largest North American whirligig beetle, found on the surface of streams and rivers. It produces defensive chemicals that smell like apples when disturbed.
Did You Know?
When alarmed, large groups scatter in erratic spirals, creating a confusing display that deters predators.