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Examples ofpterostigma
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Wings hyaline;pterostigmayellowish to brownish, darker anteriorly and posteriorly.
From theCambridge English Corpus
Other than the basal cross vein thepterostigmais not crossed by any veins.
From
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.All species in the genus are noted for the small size of thepterostigmawhen compared to other raphidiopteran species.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The wings are hyaline, with part of thepterostigmawith brown specks at the apex.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Thepterostigma(a single dark spot in the meshwork of the leading edge near the tip of each wing) is noticeably elongated.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The wing is apparently hyaline in coloration with a slight darkening of thepterostigmaarea.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.In most families a conspicuouspterostigmais carried near the wing tip.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.In total thepterostigmais over 1.7 mm long, however the basal and apical sections are separated by a 1.7 cm long middle cell.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Apterostigmais also found among other insects, such as bees.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.In most families there is a structure on the leading edge near the tip of the wing called thepterostigma.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The forewings have a very long and narrowpterostigmaand a stigmal vein that is regularly curved.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The forewings are incomplete, with the tip beyond the end of thepterostigmanot present.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.It has large brown/black rectangularpterostigmaand blue eyes.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The blackpterostigmais carried near the wing tip.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.It shows a darkened coloration from thepterostigmato the wing tip, with thepterostigmaitself being the darkest portion of the wing.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The elongatedpterostigmais faintly infumate, 1.4 mm long and lacks crossveins except for the basal crossvein that closes the cell.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Adults have the fore and hind wings of equal length, barely petiolate and a longpterostigmathat is broader in hind wing.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Thepterostigmais orange and the thorax usually bears pale stripes.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.The wings are hyaline in coloration with a slight darkening of thepterostigmaand averaging 7.42 mm long for the fore-wings.
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Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Thepterostigmain their fore-wing has the characteristic of not being closed proximally.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.