Individual tracking reveals long-distance flight-path control in a nocturnally migrating moth

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2022
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Bürki-Spycher, Hans-Martin
Reynolds, Don R
Chapman, Jason W
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Science. American Association for the Advancement of Science (AAAS). 2022, 377(6607), pp. 764-768. ISSN 0036-8075. eISSN 1095-9203. Available under: doi: 10.1126/science.abn1663
Zusammenfassung

Each year, trillions of insects make long-range seasonal migrations. These movements are relatively well understood at a population level, but how individual insects achieve them remains elusive. Behavioral responses to conditions en route are little studied, primarily owing to the challenges of tracking individual insects. Using a light aircraft and individual radio tracking, we show that nocturnally migrating death's-head hawkmoths maintain control of their flight trajectories over long distances. The moths did not just fly with favorable tailwinds; during a given night, they also adjusted for head and crosswinds to precisely hold course. This behavior indicates that the moths use a sophisticated internal compass to maintain seasonally beneficial migratory trajectories independent of wind conditions, illuminating how insects traverse long distances to take advantage of seasonal resources.

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ISO 690MENZ, Myles, Martina SCACCO, Hans-Martin BÜRKI-SPYCHER, Hannah J. WILLIAMS, Don R REYNOLDS, Jason W CHAPMAN, Martin WIKELSKI, 2022. Individual tracking reveals long-distance flight-path control in a nocturnally migrating moth. In: Science. American Association for the Advancement of Science (AAAS). 2022, 377(6607), pp. 764-768. ISSN 0036-8075. eISSN 1095-9203. Available under: doi: 10.1126/science.abn1663
BibTex
@article{Menz2022-08-12Indiv-58273,
  year={2022},
  doi={10.1126/science.abn1663},
  title={Individual tracking reveals long-distance flight-path control in a nocturnally migrating moth},
  number={6607},
  volume={377},
  issn={0036-8075},
  journal={Science},
  pages={764--768},
  author={Menz, Myles and Scacco, Martina and Bürki-Spycher, Hans-Martin and Williams, Hannah J. and Reynolds, Don R and Chapman, Jason W and Wikelski, Martin}
}
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