Horned Clubtail vs Common Black Ground Beetle
Side-by-side species comparison
| Attribute | Horned Clubtail | Common Black Ground Beetle |
|---|---|---|
| Scientific Name | Arigomphus cornutus | Pterostichus melanarius |
| Order | Odonata | Coleoptera |
| Family | Gomphidae | Carabidae |
| Size | 45-55mm | 12-18 mm |
| Habitat | Ponds & Lakes | Gardens |
| Diet | Predators | Predators |
| Regions | North America | Europe, Introduced to North America |
| Conservation | Least Concern | Least Concern |
Horned Clubtail
A medium-sized clubtail dragonfly with small horn-like projections on the top of the head. Its body is yellow-green with brown markings. It breeds in clear ponds and lakes.
Did You Know?
The tiny horns on its head are unique among North American clubtails and are used for species identification.
Common Black Ground Beetle
One of the most abundant ground beetles in European farmland and gardens. It is a generalist predator active mainly at night.
Did You Know?
It is one of the most commonly caught beetles in pitfall traps across Europe.