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Unidentified at suppressed - 3 Jan 2023
Unidentified at suppressed - 3 Jan 2023
Unidentified at suppressed - 3 Jan 2023
Unidentified at suppressed - 3 Jan 2023
Unidentified at suppressed - 3 Jan 2023
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Identification history

Unidentified 8 Jan 2023 TimL

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User's notes

Additional close-up detail for sighting 4463213. The first image shows a close-up of the wing's light brown coloured pterostigma, which is a thickened and coloured cell in the outer wing. The apparent purpose of the pterostigma, being a heavier section of the wing in comparison to nearby sections, is to assist the lacewing in gliding and in raising the insect's critical flight speed. Without the pterostigma, self-exciting vibrations or flapping would set in on the wing after a certain critical speed, reducing flight speed and making gliding impossible.

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Sighting information

  • 1 Abundance
  • 3 Jan 2023 08:23 AM Recorded on
  • TimL Recorded by

Additional information

  • 25mm to 50mm Animal size
  • Alive / healthy Animal health

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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