Definitions
from The Century Dictionary.
- noun The carpus or stigma, a peculiar mark or spot on the wings of some insects.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) A thickened opaque spot on the wings of certain insects.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun zoology A
cell in the outerwing ofinsects which is often thickened or coloured and so stands out from other cells.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Carpus: the pterostigma of Odonata: the extremity of the radius and cubitus of the primaries: that point in the wings at which they are tratsversely folded.
Explanation of Terms Used in Entomology John. B. Smith
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Parastigma: = pterostigma; q.v. Parastigmatic glands: small, circular glands, which secrete a waxy powder, sometimes present around the spiracles of Coccidae.
Explanation of Terms Used in Entomology John. B. Smith
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Apical cells or cellules: Trichoptera; the series of cells along the outer margin of wing from pterostigma to arculus.
Explanation of Terms Used in Entomology John. B. Smith
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Without the pterostigma, self-exciting vibrations would set in on the wing after a certain critical speed, making gliding impossible. "
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