What does pterostigma mean?
Definitions for pterostigma
pterostig·ma
This dictionary definitions page includes all the possible meanings, example usage and translations of the word pterostigma.
Wikipedia
Pterostigma
The pterostigma (plural: pterostigmata) is a group of specialized cells in the outer wings of insects, which are often thickened or coloured, and thus stand out from other cells. It is particularly noticeable in dragonflies, but present also in other insect groups, such as snakeflies, hymenopterans, and megalopterans.
Webster Dictionary
Pterostigmanoun
a thickened opaque spot on the wings of certain insects
Etymology: [NL., fr. Gr. wing + , , a mark.]
Wikidata
Pterostigma
The pterostigma is a cell in the outer wing of insects which is often thickened or coloured and so stands out from other cells. It is particularly noticeable in dragonflies, but present also in other insect groups, such as snakeflies, hymenopterans and megalopterans. The purpose of the pterostigma, being a heavier section of the wing in comparison to nearby sections, is to assist in gliding. Without the pterostigma, self-exciting vibrations would set in on the wing after a certain critical speed, making gliding impossible. Tests show that with the pterostigma, the critical gliding speed is increased 10-25% on one species of dragonfly. Some female damselflies in the family Calopterygidae possess a feature known as a pseudopterostigma. This is located in a similar position on the wing to a true pterostigma but is crossed by veins and is only defined by its paler colour compared to surrounding areas of the wing.
Entomology
Pterostigma
a thickened, opaque spot on the costal margin of a wing, near its middle or at end of the radius: = bathmis, and see stigma.
Numerology
Chaldean Numerology
The numerical value of pterostigma in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of pterostigma in Pythagorean Numerology is: 8
Translations for pterostigma
From our Multilingual Translation Dictionary
- pterostigmaTamil
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"pterostigma." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/pterostigma>.
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