Canada thistle gall fly |
Animalia
Insecta (Insects)
Diptera |
Urophora cardui |
Family: Tephritidae |
Near Banbury
This is a gall of Creeping Thistle caused by a gall fly Urophora cardui which causes a fleshy swelling of up to 10 x 3 cm. Inside are one of more chambers each with a gall fly larva. The gall is actually a swelling of the stem tissue and it may have little bits of thistle leaf growing out the top. (Information from Heather Colls).
(The common name is misleading - this is European.)
Wikipedia entry] |
27 August 2013 |
Category: Wild-growing plants and fungi of the British Isles |
|
|
Enquiry / feedback |
Photographer:
Sue Goodhead |
About the picture: COOLPIX L610 27/08/2013 17:28:22 1/60 sec - F/4 Sensitivity: ISO 125 Light value: 9.6
|
|
FloralImages Protected by a Creative Commons Licence. |