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Abstract Title:

Glyphosate impairs collective thermoregulation in bumblebees.

Abstract Source:

Science. 2022 Jun 3 ;376(6597):1122-1126. Epub 2022 Jun 2. PMID: 35653462

Abstract Author(s):

Anja Weidenmüller, Andrea Meltzer, Stefanie Neupert, Alica Schwarz, Christoph Kleineidam

Article Affiliation:

Anja Weidenmüller

Abstract:

Insects are facing a multitude of anthropogenic stressors, and the recent decline in their biodiversity is threatening ecosystems and economies across the globe. We investigated the impact of glyphosate, the most commonly used herbicide worldwide, on bumblebees. Bumblebee colonies maintain their brood at high temperatures via active thermogenesis, a prerequisite for colony growth and reproduction. Using a within-colony comparative approach to examine the effects of long-term glyphosate exposure on both individual and collective thermoregulation, we found that whereas effects are weak at the level of the individual, the collective ability to maintain the necessary high brood temperatures is decreased by more than 25% during periods of resource limitation. For pollinators in our heavily stressed ecosystems, glyphosate exposure carries hidden costs that have so far been largely overlooked.

Study Type : Insect Study
Additional Links
Additional Keywords : Bee Colony Collapse
Problem Substances : Glyphosate : CK(895) : AC(381)

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