Large Whirligig Beetle vs Lance-tipped Darner
Side-by-side species comparison
| Attribute | Large Whirligig Beetle | Lance-tipped Darner |
|---|---|---|
| Scientific Name | Dineutus americanus | Aeshna constricta |
| Order | Coleoptera | Odonata |
| Family | Gyrinidae | Aeshnidae |
| Size | 10-13 mm | 65-74 mm |
| Habitat | Rivers & Streams | Ponds & Lakes |
| Diet | Omnivores | Omnivores |
| Regions | North America | North America |
| Conservation | Least Concern | Least Concern |
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.
Lance-tipped Darner
A large brown darner with blue spots common in eastern North America. It is a late-season flier, active well into autumn.
Did You Know?
Its name refers to the lance-shaped cerci (tail appendages) used by males to grasp females during mating.