Creeping thistle gall fly?

Creeping thistle gall fly?

Observation - Creeping thistle gall fly?. Description: About 5-6mm long. Seen on creeping thistle. There were lots of galls on the thistles in this area last year.

About 5-6mm long.
Seen on creeping thistle. There were lots of galls on the thistles in this area last year.