Urophora stylata

Urophora stylata (Scotch Thistle Gall fly) originates from Europe and forms galls in scotch thistle flower heads, reducing seed production and viability.

Female
Late February 2022
Ridgeway
Image by Keith Martin-Smith, used with permission.
Urophora stylata (female) (Tephritidae)

Male
Late February 2022
Ridgeway
Image by Keith Martin-Smith, used with permission.
Urophora stylata (male) (Tephritidae)

Male
Mid February 2022
Ridgeway
Images by Keith Martin-Smith, used with permission.
Urophora stylata (male) (Tephritidae) Urophora stylata (male) (Tephritidae)

 

Reference

Cripps M, 2020. Tale of the Scotch Thistle Gall Fly.    https://www.landcareresearch.co.nz/publications/weed-biocontrol/weed-biocontrol-articles/tale-of-the-scotch-thistle-gall-fly/[Last Accessed 7/3/2023]