Ant-Nest Rove Beetle vs Pennsylvania Ground Beetle
Side-by-side species comparison
| Attribute | Ant-Nest Rove Beetle | Pennsylvania Ground Beetle |
|---|---|---|
| Scientific Name | Atemeles emarginatus | Harpalus pensylvanicus |
| Order | Coleoptera | Coleoptera |
| Family | Staphylinidae | Carabidae |
| Size | 5-7 mm | 13-17 mm |
| Habitat | Woodlands | Farmland |
| Diet | Omnivores | Omnivores |
| Regions | Central Europe | North America |
| Conservation | Least Concern | Least Concern |
Ant-Nest Rove Beetle
A small, amber-brown rove beetle that parasitizes two different ant species during its life cycle. Larvae develop in Formica nests and adults move to Myrmica nests.
Did You Know?
It switches host ant species seasonally, overwintering with Myrmica ants and breeding in Formica nests in summer.
Pennsylvania Ground Beetle
One of the most common ground beetles in North American croplands. It is an omnivorous species that feeds on both seeds and small insects.
Did You Know?
Studies show it can consume enough weed seeds to significantly reduce weed emergence in crop fields.