River Thames at Dorchester - 21st July

Along the Thames Path upstream (west bank) from Day's Lock to Burcot (SU568951) 09:45 - 10:35 in mostly sunny conditions:

Emperor Dragonfly - 2
Southern Hawker - 1
Common Blue Damselfly - 16+


Along the Thames path downstream (north bank) from Day's Lock to Shillingford (SU590932) 11:05 - 13:05 in mostly sunny conditions; including Overy Mead Piece (SU578932) at Thame / Thames confluence

Emperor Dragonfly - 1
Brown Hawker - 13
Black-tailed Skimmer - 1
Ruddy Darter - 1

Banded Demoiselle (fem)

Blue-tailed Damselfly (adult male)

Banded Demoiselle - 20+
Blue-tailed Damselfly - 3
Common Blue Damselfly - 60+