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Impact of the annular solar eclipse on December 26, 2019 on the foraging visits of bees.

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  • Author(s): Sinu PA;Sinu PA; Jose A; Jose A; Varma S; Varma S
  • Source:
    Scientific reports [Sci Rep] 2024 Jul 29; Vol. 14 (1), pp. 17458. Date of Electronic Publication: 2024 Jul 29.
  • Publication Type:
    Journal Article
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
    • Publication Information:
      Original Publication: London : Nature Publishing Group, copyright 2011-
    • Subject Terms:
      Sunlight* ; Flowers*; Animals ; Bees/physiology ; Pollination ; India ; Feeding Behavior
    • Abstract:
      Solar eclipse has remarkable effect on behavior of animals. South India experienced a 97% magnitude annular eclipse on December 26, 2019 during 08:04-11:04 h with the totality phase appeared during 09:25-09:30 h. We investigated whether the foraging activity of the bees was limited by the eclipse, what bees are affected most, and which part of the eclipse was critical for bee activities to understand how a group of insects that rely the Sun, the sunlight, and the sun rays for their navigation and vision behaves to the eclipse. We opted to watch the bees in their foraging ground, and selected the natural flower populations of Cleome rutidosperma, Hygrophila schulli, Mimosa pudica, and Urena sinuata-some of the bee-friendly plants-to record the visitor richness and visitation rate on the flowers on eclipse and non-eclipse days and during the hour of totality phase and partial phase of the eclipse. Fewer flower-visiting species were recorded on the eclipse day than on the non-eclipse days, but in the period of totality, very few bee species were active, and limited their activity to only one population of C. rutidosperma. Visits of honey bees and stingless bees were affected most, but not that badly of solitary bees and carpenter bees. Bees, particularly the social bees use Sun for navigation and deciphering information on forage sources to fellow workers. The eclipse, like for many other animals, might hamper bees' orientation, vision, and flight.
      (© 2024. The Author(s).)
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    • Grant Information:
      7170 Science and Engineering Research Board
    • Contributed Indexing:
      Keywords: Bees; Darkness; Flight activity; Honey bees; Navigation foraging; Solar eclipse; Stingless bees
    • Publication Date:
      Date Created: 20240729 Date Completed: 20240729 Latest Revision: 20240807
    • Publication Date:
      20240807
    • Accession Number:
      PMC11286736
    • Accession Number:
      10.1038/s41598-024-67708-0
    • Accession Number:
      39075087