Sexual dimorphism is common among dragonflies and damselfles. Males tend to be bright, showy and conspicuous, while females tend to have duller colors. They are much like many birds. But this immature whitetail male has the wing pattern of the male, but has yet to develop the white tail.
This female twelve-spotted skimmer looks more like the female white-tailed skimmer than like her male twelve-spotted. Hal White in the "Natural History of the Delmarva Dragonflies and Damselflies" discusses this interesting phenomenon at length.
Sexual dimorphism is common among dragonflies and damselfles. Males tend to be bright, showy and conspicuous, while females tend to have duller colors. They are much like many birds. But this immature whitetail male has the wing pattern of the male, but has yet to develop the white tail.
This female twelve-spotted skimmer looks more like the female white-tailed skimmer than like her male twelve-spotted. Hal White in the "Natural History of the Delmarva Dragonflies and Damselflies" discusses this interesting phenomenon at length.
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