Excavated Rove Beetle vs Colymbetes Diving Beetle
Side-by-side species comparison
| Attribute | Excavated Rove Beetle | Colymbetes Diving Beetle |
|---|---|---|
| Scientific Name | Omalium excavatum | Colymbetes fuscus |
| Order | Coleoptera | Coleoptera |
| Family | Staphylinidae | Dytiscidae |
| Size | 3-4 mm | 16-19 mm |
| Habitat | Gardens | Ponds & Lakes |
| Diet | Herbivores | Omnivores |
| Regions | Europe, introduced to North America | Europe, Northern Asia |
| Conservation | Least Concern | Least Concern |
Excavated Rove Beetle
A small, brownish omaline rove beetle with distinctive excavations on the pronotum. It frequents decaying vegetation and is particularly associated with compost heaps and grass clippings.
Did You Know?
This species thrives in the heat-generating centers of compost heaps, tolerating temperatures that would be lethal to many other insects.
Colymbetes Diving Beetle
A medium-sized diving beetle with finely lined yellowish-brown elytra found across Europe. It inhabits a wide range of standing water habitats.
Did You Know?
It is one of the first aquatic beetles to colonize newly created ponds, often arriving within days.