pterostigma
English edit
Etymology edit
Ancient Greek πτερόν (pterón) + στίγμα (stígma), meaning "wing mark".
Noun edit
pterostigma (plural pterostigmata)
- (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.