Woodland Pterostichus vs North American Alderfly
Side-by-side species comparison
| Attribute | Woodland Pterostichus | North American Alderfly |
|---|---|---|
| Scientific Name | Pterostichus oblongopunctatus | Sialis infumata |
| Order | Coleoptera | Megaloptera |
| Family | Carabidae | Sialidae |
| Size | 9-13 mm | 15-20 mm wingspan |
| Habitat | Woodlands | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Europe, from Scandinavia to the Mediterranean | Eastern North America |
| Conservation | Least Concern | Least Concern |
Woodland Pterostichus
A medium-sized, shiny black ground beetle with distinctive oblong punctures in rows on its elytra. It is one of the most characteristic carabid species of European deciduous forests.
Did You Know?
It is used as a bioindicator species for ancient woodland health; its presence is associated with undisturbed forest with deep leaf litter.
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.