Knapweed Gall Weevil vs Brown-and-yellow Fruit Chafer
Side-by-side species comparison
| Attribute | Knapweed Gall Weevil | Brown-and-yellow Fruit Chafer |
|---|---|---|
| Scientific Name | Bangasternus fausti | Pachnoda marginata |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae | Scarabaeidae |
| Size | 4-6 mm | 20-28 mm |
| Habitat | Grasslands | Forests |
| Diet | Gall Makers | Sap Feeders |
| Regions | Europe, Central Asia | West Africa, Central Africa |
| Conservation | Least Concern | Least Concern |
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.
Brown-and-yellow Fruit Chafer
A colorful chafer beetle with bright yellow margins on dark brown elytra. It is commonly kept in captivity and bred as a feeder insect.
Did You Know?
Their larvae are widely used as food for pet reptiles and are easy to breed in captivity.