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Anax junius
Both male and female green darners have an unusual blue and black "bulls-eye" marking on the frons (or forehead, in laymen's terms), just in front of their large, compound eyes. The thorax is green in both sexes. The long abdomen is marked by a dark line, which runs down the center of the dorsal surface. In immature common green darners of either sex, the abdomen appears red or purple. Mature males bear a bright blue abdomen, but in early morning or when temperatures are cool, it may turn purple. In reproductive females, the abdomen is green, matching the thorax. Older individuals may have an amber tint to their wings.
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