Dancing day-moth
A group of insects had me baffled for a while this morning. Above the woodpile at the back of my pond they pirouetted whilst moving up and down about 2 feet at a time. Here is a short video of one of them:
http://www.youtube.com/watch?v=NKcYloz0E0Y
I watched for a while before one of them settled and I could identify it as a nemophora degeerella
Apparently swarms of males dance in the sun to attract females.
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