Knapweed Gall Weevil vs Common Web Spinner
Side-by-side species comparison
| Attribute | Knapweed Gall Weevil | Common Web Spinner |
|---|---|---|
| Scientific Name | Bangasternus fausti | Embia major |
| Order | Coleoptera | Embioptera |
| Family | Curculionidae | Embiidae |
| Size | 4-6 mm | 10.0-15.0 mm |
| Habitat | Grasslands | Woodlands |
| Diet | Gall Makers | Gall Makers |
| Regions | Europe, Central Asia | Europe, Africa |
| Conservation | Least Concern | Not Evaluated |
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.
Common Web Spinner
A dark brown web spinner that constructs silk galleries on tree bark and under stones. Males are winged while females are always wingless.
Did You Know?
Web spinners produce silk from glands in their enlarged front feet, the only insects to spin silk with their tarsi.