Honey bee foraging and pesticide exposure in a desert urban agroecosystem

Zhang, Ge; Kersten, Miranda; Owen, Amy; Skidmore, Amanda

doi:10.1016/j.ecoenv.2022.114472

Cited by 3 publications

(2 citation statements)

References 51 publications

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“…Pollen was counted in a similar method to previous studies, using transects spanning the entire length of the coverslip in the densest pollen region of the slide until 400 total grains or 15 transects were counted (Borchardt et al, 2023; Bosch et al, 2009; Fisogni et al, 2018). Pollen was identified as the lowest possible taxonomic group using a reference collection from Iowa State University (Borchardt et al, 2023; Zhang et al, 2021; Zhang et al, 2022; Zhang et al, 2023), typically to genus or species except for Asteraceae, which was identified to family. We were unable to identify eight pollen types included in the analysis and named them ‘Unknown’ along with the specimen ID number they were first identified from (Table S1).…”

Section: Methodsmentioning

confidence: 99%

Debunking wasp pollination: Wasps are comparable to bees in terms of plant interactions, body pollen and single‐visit pollen deposition

Borchardt,

Holthaus,

Soto Méndez

et al. 2024

Ecological Entomology

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Wasps are understudied in their contribution to pollination services. In order to better understand the ecological contribution of wasp communities to plant pollination, we conducted three studies to compare bees and wasps by (1) the plant communities visited in agricultural and prairie environments, (2) body pollen composition as an indirect measure of pollination and (3) a single‐visit deposition study as a direct measure of pollination in the plant species complex Solidago canadensis. We found wasps visit a distinct early‐blooming exotic plant community from bees but have overlapping use of late‐blooming native plants and similar network interaction metrics. This suggests wasps may fill an ecological niche distinct from bees, while also serving as common native plant visitors. We also found that body pollen density and pollen fidelity in four and five (out of six) wasp families, respectively, were comparable to or greater than the bee family Colletidae. Three wasp families also showed comparable to or greater visit fidelity than two (out of five) bee families examined. These results suggest wasps may carry and potentially deliver substantial pollen to specific plants. In addition, controlled single‐visit deposition revealed the paper wasp Polistes fuscatus deposits a similar amount of pollen grains as the bumble bee Bombus impatiens, suggesting surprisingly high pollination efficiency that warrants further investigation. Our multi‐pronged study shows the importance of investigating the role of wasps as pollinators, especially by focusing on direct plant‐pollination metrics to determine wasp pollination efficacy.

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Section: Methodsmentioning

confidence: 99%

Debunking wasp pollination: Wasps are comparable to bees in terms of plant interactions, body pollen and single‐visit pollen deposition

Borchardt,

Holthaus,

Soto Méndez

et al. 2024

Ecological Entomology

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“…Honey bee colonies maintain hive temperatures around 32 °C for brood production during the growing season; this creates an optimum temperature for microbial or enzymatic function. 69 Honey bees have the highest mortalities in cold winter months, despite showing a good capacity to sustain warm hive temperatures. During these cold periods, bee actions in the field are minimized or even stopped.…”

Section: Environment and Bee Sociality On The Development And Applica...mentioning

confidence: 99%

Phytochemicals, Probiotics, Recombinant Proteins: Enzymatic Remedies to Pesticide Poisonings in Bees

Zhang,

Dilday,

Kuesel

et al. 2023

Environ. Sci. Technol.

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The ongoing global decline of bees threatens biodiversity and food safety as both wild plants and crops rely on bee pollination to produce viable progeny or high-quality products in high yields. Pesticide exposure is a major driving force for the decline, yet pesticide use remains unreconciled with bee conservation since studies demonstrate that bees continue to be heavily exposed to and threatened by pesticides in crops and natural habitats. Pharmaceutical methods, including the administration of phytochemicals, probiotics (beneficial bacteria), and recombinant proteins (enzymes) with detoxification functions, show promise as potential solutions to mitigate pesticide poisonings. We discuss how these new methods can be appropriately developed and applied in agriculture from bee biology and ecotoxicology perspectives. As countless phytochemicals, probiotics, and recombinant proteins exist, this Perspective will provide suggestive guidance to accelerate the development of new techniques by directing research and resources toward promising candidates. Furthermore, we discuss practical limitations of the new methods mentioned above in realistic field applications and propose recommendations to overcome these limitations. This Perspective builds a framework to allow researchers to use new detoxification techniques more efficiently in order to mitigate the harmful impacts of pesticides on bees.

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Cytotoxic and genotoxic effects of a pendimethalin-based herbicide in Apis mellifera

Vommaro,

Giglio

2024

Ecotoxicology and Environmental Safety

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Honey bee foraging and pesticide exposure in a desert urban agroecosystem

Cited by 3 publications

References 51 publications

Debunking wasp pollination: Wasps are comparable to bees in terms of plant interactions, body pollen and single‐visit pollen deposition

Debunking wasp pollination: Wasps are comparable to bees in terms of plant interactions, body pollen and single‐visit pollen deposition

Phytochemicals, Probiotics, Recombinant Proteins: Enzymatic Remedies to Pesticide Poisonings in Bees

Cytotoxic and genotoxic effects of a pendimethalin-based herbicide in Apis mellifera

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