Titan Longhorn Beetle vs Large Whirligig Beetle
Side-by-side species comparison
| Attribute | Titan Longhorn Beetle | Large Whirligig Beetle |
|---|---|---|
| Scientific Name | Phoracantha tricuspis | Dineutus americanus |
| Order | Coleoptera | Coleoptera |
| Family | Cerambycidae | Gyrinidae |
| Size | 18-28 mm body length | 10-13 mm |
| Habitat | Forests | Rivers & Streams |
| Diet | Wood Feeders | Omnivores |
| Regions | Australia | North America |
| Conservation | Least Concern | Least Concern |
Titan Longhorn Beetle
A large longhorn beetle with brown coloring and three-pronged elytral spines at the tips. It attacks drought-stressed eucalyptus trees.
Did You Know?
Like its relative P. semipunctata, it has also spread to eucalyptus plantations on other continents.
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.