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De récentes analyses menées durant l’éclipse totale de Soleil aux États-Unis en 2017 suggèrent que les abeilles et bourdons se « taisent » – cessent de voler – une fois la pénombre installée. Un comportement similaire à celui observé une fois la nuit tombée.
Les abeilles se “taisent” pendant les éclipses totales de Soleil. Publié le 11.10.2018
[Repéré via] La Tête au carré mercredi 10 octobre 2018, par Mathieu Vidard, vers 10 min 30 s
- Pollination on the Dark Side: Acoustic Monitoring Reveals Impacts of a Total Solar Eclipse on Flight Behavior and Activity Schedule of Foraging Bees | Annals of the Entomological Society of America, 10.10.2018 https://academic.oup.com/aesa/advance-article/doi/10.1093/aesa/say035/5123345
[Image] Habitat variation among sites where foraging bees were monitored during the total eclipse of 21 August 2017.
Top, from left to right:
Bombus vosnesenskii Radoszkowski on flowers of Ericameria greenei nauseosa at Santiam Pass, OR;
Ericameria nauseosa in flower at Antelope, OR;
Bombus on flowering head of Cirsium at Midway Heights School, Columbia MO;
and Helianthus in flower at Flat Branch Park, Columbia MO.
Bottom, from left to right (all Columbia MO):
USB-microphone suspended from Helianthus flower head at South Farm;
Trifolium flowering at Jefferson Farm;
Rudbeckia in flower near honeybee (A. mellifera) hive at Fairview School;
and Asclepias in flower at Shepard School.
