Ant-Nest Hister Beetle vs Pennsylvania Ground Beetle
Side-by-side species comparison
| Attribute | Ant-Nest Hister Beetle | Pennsylvania Ground Beetle |
|---|---|---|
| Scientific Name | Hetaerius ferrugineus | Harpalus pensylvanicus |
| Order | Coleoptera | Coleoptera |
| Family | Histeridae | Carabidae |
| Size | 1.5-2.5 mm | 13-17 mm |
| Habitat | Woodlands | Farmland |
| Diet | Detritivores | Omnivores |
| Regions | Europe, North America | North America |
| Conservation | Least Concern | Least Concern |
Ant-Nest Hister Beetle
A tiny, reddish-brown hister beetle that lives exclusively inside ant nests. It is tolerated by its ant hosts and feeds on detritus and small arthropods.
Did You Know?
It produces appeasement chemicals from thoracic glands that prevent ants from attacking it inside the colony.
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.