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Diary: July 2005

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Pond reveals secrets

21st July 2005 in the garden diary...
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Proof positive has arrived that dragonflies have emerged from my garden pond this year.
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Southern hawkerRecently emerged southern hawker. I reported seeing a recently emerged southern hawker (Aeshna cyanea) in the garden on 4th July. Only three days later I saw another southern hawker in the garden (see photo). Again the pale colours showed that this was a recently emerged individual and clearly meant that it could not have been the same animal I saw on the 4th. Dragonfly exuviaExuvia of a southern hawker on the underside of a leaf of water mint. A few days later I located two exuviae one on the underside of a water mint leaf (Mentha aquatica) and another, which I was fortunate to see, floating just under the surface of the pond. Using the key to dragonfly larvae and exuviae in Brooks and Lewington 1997, I keyed both these out as southern hawker.

I was delighted enough with the dragonflies, but I got another surprise the day after I found the exuviae. Sitting by the pond I noticed some movement in the deeper water and realised that I was watching an adult newt. I didn't see if for long but it was unmistakeable. It could have been either a palmate (Triturus helveticus) or smooth newt (Triturus vulgaris). Although I found a newt in the garden in September 2003, I have never seen one since and never seen one in the pond; so this was a welcome development.

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