About 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.
Distribution
Where Knapweed Gall Weevil can be found
Seasonal Activity
Peak activity
Moderate
Low / dormant
Cite This Page
APA:
Orbitrock. (2026). Knapweed Gall Weevil (Bangasternus fausti). Retrieved from https://orbitrock.com/insect/knapweed-gall-weevil
MLA:
"Knapweed Gall Weevil." Orbitrock, https://orbitrock.com/insect/knapweed-gall-weevil.