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The males body is a metallic blue / green; the wings veneration is very strong in both sexes. The wing pigmentation diminishes at the root and occasionally at the tip. The wing colour varies with the amount of available sun light from iridescent blue to dark black / brown.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 51.4, -1.1
OS grid ref: SU6471