from The Century Dictionary and Cyclopedia

  • Certain specialized scales oscurring in limited areas on the wings of the males of certain Lepidoptera.


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  • Males of many species have patches of specialized scales called androconia on their wings, thorax, or abdomen that release pheromones.

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  • To the best of their ability, the male does a special dance for the female releasing pheromones form the androconia on his abdomen, wings, and thorax that introduce the female to mating.

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  • The female also has some androconia, but only on the abdomen. this whole courtship ritual is brief and includes a lot of antenna action and flying around in the pheromones.

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