Mon 2012-06-25 
A male Urophora stylata (Diptera: Tephritidae) on knapweed (Centaurea sp). My first for this year. For a female see here.
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-20.
Sat 2012-06-23 
My first Xyphosia miliaria (Diptera: Tephritidae) of the year. The one above is probably a male. The one below is definitely a female,
The host plant for their larvae is normally a thistle (Cirsium sp).
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-20.
Fri 2012-06-22 
A female Urophora quadrifasciata (Diptera: Tephritidae) on knapweed (Centaurea sp).
With a wing length of only 2.5mm, these flies are noticably smaller than most other Tephritid flies.
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-17.
Thu 2012-06-21 
A male Urophora cardui (Diptera: Tephritidae) on a thistle.
The larvae of these flies cause galls in the stems of thistles:
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-17 (first and second) and on 2009-08-30 (third).
