| 词汇 | pterostigma |
| 释义 | BETA Examples of pterostigmapterostigma isn’t in the Cambridge Dictionary yet. You can help! Wings hyaline; pterostigma yellowish to brownish, darker anteriorly and posteriorly. Other than the basal cross vein the pterostigma is not crossed by any veins. From 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 the pterostigma when compared to other raphidiopteran species. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The wings are hyaline, with part of the pterostigma with brown specks at the apex. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pterostigma (a single dark spot in the meshwork of the leading edge near the tip of each wing) is noticeably elongated. From 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 the pterostigma area. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In most families a conspicuous pterostigma is carried near the wing tip. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In total the pterostigma is over 1.7 mm long, however the basal and apical sections are separated by a 1.7 cm long middle cell. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A pterostigma is also found among other insects, such as bees. From 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 the pterostigma. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The forewings have a very long and narrow pterostigma and a stigmal vein that is regularly curved. From 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 the pterostigma not present. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has large brown/black rectangular pterostigma and blue eyes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The black pterostigma is carried near the wing tip. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It shows a darkened coloration from the pterostigma to the wing tip, with the pterostigma itself being the darkest portion of the wing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The elongated pterostigma is faintly infumate, 1.4 mm long and lacks crossveins except for the basal crossvein that closes the cell. From 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 long pterostigma that is broader in hind wing. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pterostigma is orange and the thorax usually bears pale stripes. From 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 the pterostigma and averaging 7.42 mm long for the fore-wings. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The pterostigma in their fore-wing has the characteristic of not being closed proximally. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. |
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