I went out yesterday and there were a lot of large Mayfly coming off in the afternoon, in spite of the heavy winds. We encountered something amazing, damsels attacking mayfly (yes I mean the big Danica) and eating them... I have asked the people at Bug Life to educate us on this behaviour, I'll let you know what I learn...
UPDATE: 27/06/08
The British Dragonfly Society have confirmed that Damsels and Dragons will predate on their own and other species up to almost their own size (no wonder the creature in the movie "alien" was modelled on these nasties) although there are no known reports of them eating E. Danica (until now that is)
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