Migrant and Brown Hawker dragonflies were abundant but rarely rested enough for the camera.
Common Blue Damselfly (Enallagma cyathigerum)
Common Darter (Sympetrum striolatum)
The hoverflies were mainly using the abundant Prickly Sow-thistle (Sonchus asper).
Eristalis nemorum. Male.
Sphaerophoria sp., probably scripta. Female.
Eristalis tenax. Male.
Syrphus sp., probably ribessii. Male.
Nikon CP995.
Many thanks to Steven Falk for his help with identification of the hoverflies from these photographs.