Neonicotinoid exposure disrupts bumblebee nest behavior, social networks, and thermoregulation

James D Crall^{1

2

3}, Callin M Switzer^{4

5}, Robert L Oppenheimer⁶, Ashlee N Ford Versypt^{7

8}, Biswadip Dey⁹, Andrea Brown¹⁰, Mackay Eyster¹¹, Claire Guérin¹², Naomi E Pierce¹⁰, Stacey A Combes¹³, Benjamin L de Bivort^{10

3}

Affiliations

¹ Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA. jcrall@oeb.harvard.edu.
² Planetary Health Alliance, Harvard University, Cambridge, MA, USA.
³ Center for Brain Science, Harvard University, Cambridge, MA, USA.
⁴ eScience Institute, University of Washington, Seattle, WA, USA.
⁵ Department of Biology, University of Washington, Seattle, WA, USA.
⁶ Department of Biological Sciences, University of New Hampshire, Durham, NH, USA.
⁷ School of Chemical Engineering, Oklahoma State University, Stillwater, OK, USA.
⁸ Interdisciplinary Toxicology Program, Oklahoma State University, Stillwater, OK, USA.
⁹ Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ, USA.
¹⁰ Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA.
¹¹ Biology Department, University of Massachusetts Amherst, Amherst, MA, USA.
¹² Department of Ecology and Evolution, Université de Lausanne, Lausanne, Switzerland.
¹³ Department of Neurobiology, Physiology, and Behavior, University of California, Davis, Davis, CA, USA.

PMID: 30409882
DOI: 10.1126/science.aat1598

Neonicotinoid exposure disrupts bumblebee nest behavior, social networks, and thermoregulation

James D Crall et al. Science. 2018.

. 2018 Nov 9;362(6415):683-686.

doi: 10.1126/science.aat1598.

Authors

Affiliations

¹ Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA. jcrall@oeb.harvard.edu.
² Planetary Health Alliance, Harvard University, Cambridge, MA, USA.
³ Center for Brain Science, Harvard University, Cambridge, MA, USA.
⁴ eScience Institute, University of Washington, Seattle, WA, USA.
⁵ Department of Biology, University of Washington, Seattle, WA, USA.
⁶ Department of Biological Sciences, University of New Hampshire, Durham, NH, USA.
⁷ School of Chemical Engineering, Oklahoma State University, Stillwater, OK, USA.
⁸ Interdisciplinary Toxicology Program, Oklahoma State University, Stillwater, OK, USA.
⁹ Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, NJ, USA.
¹⁰ Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA.
¹¹ Biology Department, University of Massachusetts Amherst, Amherst, MA, USA.
¹² Department of Ecology and Evolution, Université de Lausanne, Lausanne, Switzerland.
¹³ Department of Neurobiology, Physiology, and Behavior, University of California, Davis, Davis, CA, USA.

PMID: 30409882
DOI: 10.1126/science.aat1598

Abstract

Neonicotinoid pesticides can negatively affect bee colonies, but the behavioral mechanisms by which these compounds impair colony growth remain unclear. Here, we investigate imidacloprid's effects on bumblebee worker behavior within the nest, using an automated, robotic platform for continuous, multicolony monitoring of uniquely identified workers. We find that exposure to field-realistic levels of imidacloprid impairs nursing and alters social and spatial dynamics within nests, but that these effects vary substantially with time of day. In the field, imidacloprid impairs colony thermoregulation, including the construction of an insulating wax canopy. Our results show that neonicotinoids induce widespread disruption of within-nest worker behavior that may contribute to impaired growth, highlighting the potential of automated techniques for characterizing the multifaceted, dynamic impacts of stressors on behavior in bee colonies.

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Comment in

Pesticide affects social behavior of bees.
Raine NE. Raine NE. Science. 2018 Nov 9;362(6415):643-644. doi: 10.1126/science.aav5273. Science. 2018. PMID: 30409873 No abstract available.

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Neonicotinoid exposure disrupts bumblebee nest behavior, social networks, and thermoregulation

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Neonicotinoid exposure disrupts bumblebee nest behavior, social networks, and thermoregulation

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