Reduced species richness of native bees in field margins associated with neonicotinoid concentrations in non-target soils

Main, Anson R.; Webb, Elisabeth B.; Goyne, Keith W.; Mengel, Doreen

doi:10.1016/j.agee.2019.106693

Cited by 55 publications

(46 citation statements)

References 58 publications

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“…Smith DiCarlo et al ., 2019) or group all Lasioglossum species together (e.g. Main et al ., 2020). The total number of taxonomic units at each site was summed to calculate richness.…”

Section: Methodsmentioning

confidence: 99%

Native bee communities vary across three prairie ecoregions due to land use, climate, sampling method and bee life history traits

Kohler

Sturm

Sheffield

et al. 2020

Insect Conserv Diversity

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1. Recent evidence indicates that many native bee species are in decline due to the cumulative effects of multiple human-induced stressors such as habitat loss, pesticide exposure, pathogens, and climate change. These declines have raised interest in the status of native bees and in developing tools that support management of bee communities and the ecosystem services they deliver. 2. Native bees were surveyed using pan traps and netting over 2 years at 68 locations in croplands and rangelands across three ecological regions of Alberta's prairiesthe Grassland, Parkland, and Boreal Natural Regionsto evaluate patterns in bee communities in response to disturbance and ecological gradients. 3. Bee community composition was different across land use and ecoregions. While several cavity-nesting species had a strong association with rangelands, cavity-nesting bees tended to be less common in croplands and may be more sensitive to loss of rangeland habitat. 4. Response patterns in overall bee abundance and richness were driven by interactions between region and land use, highlighting the need for regional studies to understand how bee communities respond to these factors. 5. This survey is one of the first to sample the response of bee communities to landscape disturbance across a broad spatial area of the Canadian prairies. Large-scale compositional studies are essential for understanding the status of native bee communities, and for monitoring long-term trends over time. We recommend subsequent coordinated surveys using standardised methods across broad spatial scales.

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“…Smith DiCarlo et al ., 2019) or group all Lasioglossum species together (e.g. Main et al ., 2020). The total number of taxonomic units at each site was summed to calculate richness.…”

Section: Methodsmentioning

confidence: 99%

Native bee communities vary across three prairie ecoregions due to land use, climate, sampling method and bee life history traits

Kohler

Sturm

Sheffield

et al. 2020

Insect Conserv Diversity

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“…The potential vulnerability of bee species to xenobiotic exposure, as illustrated by the recent cases of neonicotinoid impacts (Rundlof et al, 2015;Woodcock et al, 2017;Main et al, 2020), has been linked to the constrained metabolic potential of bee species for these insecticides. Relative to most other insects, sequenced bee genomes have a deficit of detoxification genes from the Phase I, II, and III gene families (Berenbaum and Johnson, 2015).…”

Section: Toxicokinetic Traits and Species Sensitivitymentioning

confidence: 99%

Species Sensitivity to Toxic Substances: Evolution, Ecology and Applications

Spurgeon

Lahive

Robinson

et al. 2020

Front. Environ. Sci.

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Because it is only possible to test chemicals for effects on a restricted range of species and exposure scenarios, ecotoxicologists are faced with a significant challenge of how to translate the measurements in model species into predictions of impacts for the wider range of species in ecosystems. Because of this challenge, within ecotoxicology there is no more fundamental aspect than to understand the nature of the traits that determine sensitivity. To account for the uncertainties of species extrapolations in risk assessment, “safety factors” or species sensitivity distributions are commonly used. While valuable as pragmatic tools, these approaches have no mechanistic grounding. Here we highlight how mechanistic information that is increasingly available for a range of traits can be used to understand and potentially predict species sensitivity to chemicals. We review current knowledge on how toxicokinetic, toxicodynamic, physiological, and ecological traits contribute to differences in sensitivity. We go on to discuss how this information is being used to make predictions of sensitivity using correlative and trait-based approaches, including comparisons of target receptor orthologs. Finally, we discuss how the emerging knowledge and associated tools can be used to enhance theoretical and applied ecotoxicological research through improvements in mechanistic modeling, predictive ecotoxicology, species sensitivity distribution development, mixture toxicity assessment, chemical design, biotechnology application and mechanistically informed monitoring.

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“…Agricultural fields on CAs are often surrounded by N60% native habitat that is a mix of herbaceous and woody material. All CAs are actively managed by the Missouri Department of Conservation, with study CA locations and field descriptions described in Main et al (2020). This study was part of a larger multi-year project that included a monitoring study in 2016 (Main et al, 2020) and an experimental evaluation of potential impacts of neonicotinoid seed treatments on wild bee communities that occurred during 2017 to 2018.…”

Section: Study Areamentioning

confidence: 99%

“…Traps were dry and contained no euthanizing agent of any kind to eliminate potential exposure of bee tissues to a solvent. A detailed description of the BVT installation can be found in Main et al (2020). Wild bees were collected in both 2016 and 2017.…”

Section: Wild Pollinator Collection and Identificationmentioning

confidence: 99%

“…In the agricultural environment, one class of insecticides, the neonicotinoids, have received increased scrutiny for their association with global honey bee declines and sublethal effects on wild pollinators, including reduced wild bee density, reproductive success, and species richness (Main et al, 2020;Rundlöf et al, 2015;Woodcock et al, 2017). Currently, neonicotinoids are the most widely used insecticide in the world and one active ingredient, imidacloprid, is registered for use on N140 crops in 120 countries (Jeschke et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Beyond neonicotinoids – Wild pollinators are exposed to a range of pesticides while foraging in agroecosystems

Main

Hladik

Webb

et al. 2020

Science of The Total Environment

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Reduced species richness of native bees in field margins associated with neonicotinoid concentrations in non-target soils

Cited by 55 publications

References 58 publications

Native bee communities vary across three prairie ecoregions due to land use, climate, sampling method and bee life history traits

Native bee communities vary across three prairie ecoregions due to land use, climate, sampling method and bee life history traits

Species Sensitivity to Toxic Substances: Evolution, Ecology and Applications

Beyond neonicotinoids – Wild pollinators are exposed to a range of pesticides while foraging in agroecosystems

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