North American Alderfly vs Viennese Ground Beetle
Side-by-side species comparison
| Attribute | North American Alderfly | Viennese Ground Beetle |
|---|---|---|
| Scientific Name | Sialis infumata | Carabus fabricii |
| Order | Megaloptera | Coleoptera |
| Family | Sialidae | Carabidae |
| Size | 15-20 mm wingspan | 22-30 mm |
| Habitat | Rivers & Streams | Forests |
| Diet | Predators | Predators |
| Regions | Eastern North America | Eastern Alps, Carpathians |
| Conservation | Least Concern | Least Concern |
North American Alderfly
A small, dark-winged alderfly common near ponds and slow streams across eastern North America. Adults are clumsy fliers often found resting on streamside plants.
Did You Know?
Larvae spend one to two years burrowing in pond mud before emerging for a brief adult life of just days.
Viennese Ground Beetle
A large metallic ground beetle of mountain forests and alpine meadows. It is a powerful predator of earthworms and snails.
Did You Know?
It can spray a pungent defensive fluid from glands near its abdomen.