Broad presence of ferromagnetism in bees and relationship to phylogeny, natural history, and sociality
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866911597147979776 |
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| author | Russo, Laura Allen, Caleb Jorgensen, Cameron S. Quigley, Lizabeth Buchanan, C. Charlotte Winklhofer, Michael Brady, Seán G. Packer, Laurence Murray, Anne Gilbert, Dustin A. |
| author_facet | Russo, Laura Allen, Caleb Jorgensen, Cameron S. Quigley, Lizabeth Buchanan, C. Charlotte Winklhofer, Michael Brady, Seán G. Packer, Laurence Murray, Anne Gilbert, Dustin A. |
| contents | Scientists have long been fascinated by magnetoreception, the innate capacity of many animals to sense and use the Earth's magnetic field for navigation. In eusocial insects like honey bees, magnetoreception has been linked to communication and foraging. However, little is known about magnetoreception's phylogenetic patterns and relationship to species traits and natural history. Here, we demonstrate that putative magnetoreception based on ferromagnetic particles is widespread across a diversity of bee species (72 out of 96 species tested), with no phylogenetic signal. We also detected such putative magnetoreception in non-bee outgroups, suggesting this magnetic capacity predates the evolution of the Anthophila. While magnetic signals were found across a diversity of life history traits, the strength of the magnetic signal varied within and between species, and increased with body size and social behavior. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_20312 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Broad presence of ferromagnetism in bees and relationship to phylogeny, natural history, and sociality Russo, Laura Allen, Caleb Jorgensen, Cameron S. Quigley, Lizabeth Buchanan, C. Charlotte Winklhofer, Michael Brady, Seán G. Packer, Laurence Murray, Anne Gilbert, Dustin A. Populations and Evolution Mesoscale and Nanoscale Physics Materials Science Scientists have long been fascinated by magnetoreception, the innate capacity of many animals to sense and use the Earth's magnetic field for navigation. In eusocial insects like honey bees, magnetoreception has been linked to communication and foraging. However, little is known about magnetoreception's phylogenetic patterns and relationship to species traits and natural history. Here, we demonstrate that putative magnetoreception based on ferromagnetic particles is widespread across a diversity of bee species (72 out of 96 species tested), with no phylogenetic signal. We also detected such putative magnetoreception in non-bee outgroups, suggesting this magnetic capacity predates the evolution of the Anthophila. While magnetic signals were found across a diversity of life history traits, the strength of the magnetic signal varied within and between species, and increased with body size and social behavior. |
| title | Broad presence of ferromagnetism in bees and relationship to phylogeny, natural history, and sociality |
| topic | Populations and Evolution Mesoscale and Nanoscale Physics Materials Science |
| url | https://arxiv.org/abs/2603.20312 |