Sun 2013-04-28 
A female Cheilosia scutellata (Diptera: Syrphidae). Apparently only the females have the yellow tip to the scutellum.
Photos taken in the Wilderness, Whiteknights Park, Reading, UK, on 2012-08-16.
Sat 2013-04-27 
A male Epistrophe eligans (Diptera: Syrphidae).
Photo taken in Whiteknights Park, Reading, UK, on 2013-04-21.
Fri 2013-04-26 
A female Muscina sp, probably Muscina prolapsa (Diptera: Muscidae).
Specimen taken in Whiteknights Park, Reading, UK, on 2013-04
Thu 2013-04-25 
A male Bibio sp with orangish legs: probably a Bibio johannis (Diptera: Bibionidae). The first of a sequence of Bibio species that can be found over long grass during the spring.
Another one:
Photos taken in Chazey Wood, near Caversham, UK, on 2013-04-20.
Wed 2013-04-24 
Metallic green Tachinid fly Gymnocheta viridis (Diptera: Tachinidae) sunning itself on a tree trunk, a common sight in spring.
Photo taken in the field below Chazey Wood, near Caversham, UK, on 2013-04-20.
