pterostigma

English

Etymology

Ancient Greek πτερόν (pterón) + στίγμα (stígma), meaning "wing mark".

Noun

pterostigma (plural pterostigmata)

  1. (zoology) A cell in the outer wing of insects which is often thickened or coloured and so stands out from other cells
    The pterostigma is particularly noticeable in dragonflies.
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