European Powderpost Beetle vs Common Water Penny
Side-by-side species comparison
| Attribute | European Powderpost Beetle | Common Water Penny |
|---|---|---|
| Scientific Name | Lyctus linearis | Psephenus herricki |
| Order | Coleoptera | Coleoptera |
| Family | Bostrichidae | Psephenidae |
| Size | 2.5–5 mm | 4-6 mm (adults); 6-10 mm (larvae) |
| Habitat | Woodlands | Rivers & Streams |
| Diet | Wood Feeders | Omnivores |
| Regions | Europe, North Africa | Eastern North America |
| Conservation | Not Evaluated | Least Concern |
European Powderpost Beetle
A common European powderpost beetle that infests dry hardwood. It is a significant pest of stored timber and wooden artifacts.
Did You Know?
Females will only lay eggs in wood with a starch content above 3%, which they test by tasting the surface.
Common Water Penny
A small aquatic beetle whose larvae are flattened and round like a copper penny, clinging to rocks in fast streams. Adults are terrestrial and short-lived.
Did You Know?
Larvae are so flat they can cling to rocks in torrential currents that would wash away most other insects.