females are sitting and observing. They look for flash patterns of males of their own species, and sometimes they respond with a single flash of their own, always at a precise interval after the male's. Dr. Lewis takes out a penlight and clicks it twice, in perfect Photinus greeni. A female Photinus greeni flashes back.
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his call and response going on,
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nvertebrate melodrama, full of passion and yearning, of courtship duets and competitions for affection, of cruel deception and gruesome death.
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