This damselfly is a subspecies of the banded demoiselle (Calopteryx splendens), a large, robust damselfly with the same style of flitting, butterfly-like flight as that of the beautiful demoiselle (C. virgo) (3) (4). Mature male Waterston damoiselles have a metallic bluish-green body and wholly clear, translucent wings, lacking the typical dark blue area of other subspecies and most other Calopteryx (5). The females have a brilliant metallic green to copper-coloured body and similarly transparent wings (3) (4).
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