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Third Radley Community Work Day (May 2010)

A selection of photographs taken of the third Community Work Day, organised by the Northmoor Trust, at Thrupp Lake.
28th May 2010.

Another perfect day down by the lake, and a few people turned up throughout the day to help.


Today we cleared the path along the northern shore of Thrupp Lake. Here are some members of the workparty clearing nettles.



Melati among the nettles


However there was a lot of wildlife interest about and some time was given up to observing and photographing it. The following were recorded on the day:


Blue-tailed damselfly (Ischnura elegans)

Azure damselfly (Coenagrion puella)

Common blue damselfly (Enallagma cyathigerum)

Phryganea grandis – a large caddis fly (the largest in Britain).

Some interesting crane flies – probably Tipula lunata, but possibly Ctenophora sp.

Birds (some were too far away to id with certainty)

Mute swan (1)

Coot (7)

Cormorant (2)

Black-headed gulls (2)

Mallard (2)

Tufted duck (2)

Great crested grebe (2)

Common Terns? (8) nesting (?) on bare island.


Plants (apart from nettles and brambles!)

White Helleborine (Cephalanthera damasonium)

Common Twayblade (Listera ovata)

Greater Celandine (Chelidonium majus)





Blue-tailed damselfly (Ischnura elegans)

(Thrupp Lake, 28 May 2010)



Common blue damselflies (Enallagma cyathigerum)

(Thrupp Lake, 28 May 2010)



(Left)   Not a terribly good photo of one of the distinctive orange crane flies that made a brief appearance among the nettles during the afternoon. Although the photo is poor, three distinctive features of the insect can be identified: (i) the prominent brick-orange colour; (ii) the narrow waist in the abdomen and (iii) the dark/white marks on the wings. These are all characteristic of Ctenophora sp. which are quite rare. However it could also be Tipula lunata, which is not.

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