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Taxonomy
Nesogonia Kirby 1898
Nomenclature
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Unranked: Anisoptera Selys, 1854Family: Libellulidae
SUMMARY
Face: bright metallic green with central yellow band across genae and anteclypeus.
Eyes: greyish above, light greenish grey below, becoming darker with age.
Synthorax: bright metallic green (young male) to dark metallic green to, in old individuals, bright shiny copper. In the north, males can be very dull dark green.
Wings: strongly black and white banded, but some individuals and even some populations (e.g. Warburton) wings are clear. Wings can become very smoky in individuals with clear wings in shaded habitats.
Pterostigmas: bicoloured, blackish brown and cream to light to dark brown.
Abdomen: metallic green maturing to copper, with fine yellow rings at start of each segment. Pruinescent whitish grey hind margin of S8 and all S9-10. In individuals in shady habitats, this pruinescence may be very faint.
Female: similar to male but always with clear wings. Pruinescence on S8-10 not as dense as in male.