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Male: - The male is a slim damselfly with an almost all black upper surface to both the abdomen and thorax. The thorax has two fine blue strips. The eighth segment of the abdomen is all blue. The black of the remainder of the abdomen is broken only by a fine light line at each abdominal segment joint. The flanks of the thorax are sky blue. Sexually immature males vary in colour. The ultimately blue areas of the thorax starting off grey / green and abdominal segment 8 grey / violet.
Female: - The females abdomen is of a considerably heavier build than the male. The flanks of the thorax can be seen in one of four colour forms, rose pink, violet, green or blue. The blue form, which closely resembles the male, being the most commonly observed.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
An immature male.
Lat/Lng: 52.3893, -1.2743
OS grid ref: SP494770