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).
Wed 2012-06-20 
A male Phasia hemiptera (Diptera: Tachinidae), on a stand of hemlock water dropwort (Oenanthe crocata) only 150 metres from where I photographed the female a few days before.
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-17.
Tue 2012-06-19 
A female Trypeta zoe (Diptera: Tephritidae) on a dock leaf (Rumex sp). The larvae mine the leaves of various plants including Senecio (ragworts and groundsel) but, apparently, not Rumex. See here for a more complete list of hosts.
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-17.
Mon 2012-06-18 
Bumble bee mimic hoverfly Volucella bombylans (Diptera: Syrphidae). My first of the year. A female.
Photos taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-15.
Sun 2012-06-17 
A garden chafer, Phyllopertha horticola (Coleoptera: Scarabaeidae).
Photo taken in Whiteknights Park, Reading University grounds, Reading, UK, on 2012-06-15,
