Polished Rove Beetle vs Knapweed Gall Weevil
Side-by-side species comparison
| Attribute | Polished Rove Beetle | Knapweed Gall Weevil |
|---|---|---|
| Scientific Name | Philonthus politus | Bangasternus fausti |
| Order | Coleoptera | Coleoptera |
| Family | Staphylinidae | Curculionidae |
| Size | 9-13 mm | 4-6 mm |
| Habitat | Underground | Grasslands |
| Diet | Detritivores | Gall Makers |
| Regions | Europe, Asia, North Africa | Europe, Central Asia |
| Conservation | Least Concern | Least Concern |
Polished Rove Beetle
A medium-sized rove beetle with an exceptionally smooth, polished black integument and reddish-brown legs. It is a generalist predator found in a wide range of decomposing organic substrates.
Did You Know?
This species produces antimicrobial compounds in its defensive secretions that help protect it from the pathogen-rich environments it inhabits.
Knapweed Gall Weevil
A weevil that induces galls in knapweed flower heads. Larvae develop inside the enlarged flower buds. Used in biological control of invasive knapweeds in North America.
Did You Know?
Released in North America as biocontrol for invasive spotted knapweed, which costs ranchers millions annually.