EMERALD DAMSELFLY
This attractive metallic green-bodied European dragonfly well demonstrates the independent movement of the front and rear pairs of wings, each wing powered by independent muscles. The so-called more advanced insects such as flies and bees only possess a single pair of wings which are powered by muscles attached to the thorax which oscillates like a pulsating box.
Ref: 2-10
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Photographer: © Stephen Dalton
