Multi-country loss rates of honey bee colonies during winter 2016/2017 from the COLOSS survey

Brodschneider, Robert; Gray, Alison; Adjlane, Noureddine; Ballis, Alexis; Brusbardis, Valters; Charrière, Jean-Daniel; Chlebo, Róbert; Coffey, Mary F.; Dahle, Bjørn; Graaf, Dirk C. de; Dražić, Marica Maja; Evans, Garth; Федоряк, Марія; Forsythe, Ivan; Gregorc, Aleš; Grzęda, Urszula; Hetzroni, Amots; Kauko, Lassi; Kristiansen, Preben; Martikkala, Maritta; Martín-Hernández, Raquel; Medina-Flores, Carlos Aurelio; Mutinelli, Franco; Raudmets, Aivar; Ryzhikov, Vladimir A.; Simon‐Delso, Noa; Stevanović, Jevrosima; Uzunov, Aleksandar; Vejsnæs, Flemming; Wöhl, Saskia; Zammit-Mangion, Marion; Danihlík, Jiří

doi:10.1080/00218839.2018.1460911

Cited by 119 publications

(97 citation statements)

References 6 publications

(9 reference statements)

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“…The Western honey bee, Apis mellifera , Linnaeus , is a particularly important species for providing pollination services globally (Calderone, ; Hung, Kingston, Albrecht, Holway, & Kohn, ). However, managed honey bees have been facing severe colony losses in recent decades (Brodschneider et al, ; Jacques et al, ; Neumann & Carreck, ; Van Engelsdorp & meixner, ). Even though the number of managed honey bee colonies is increasing globally, the demand for pollination is growing at a much higher rate (Aizen & Harder, ; Gallai, Salles, Settele, & Vaissière, ).…”

Section: Introductionmentioning

confidence: 99%

Global warming promotes biological invasion of a honey bee pest

Cornelissen

Neumann

Schweiger

2019

Global Change Biology

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Climate change and biological invasions are two major global environmental challenges. Both may interact, e.g. via altered impact and distribution of invasive alien species. Even though invasive species play a key role for compromising the health of honey bees, the impact of climate change on the severity of such species is still unknown. The small hive beetle (SHB, Aethina tumida, Murray) is a parasite of honey bee colonies. It is endemic to sub‐Saharan Africa and has established populations on all continents except Antarctica. Since SHBs pupate in soil, pupation performance is governed foremost by two abiotic factors, soil temperature and moisture, which will be affected by climate change. Here, we investigated SHB invasion risk globally under current and future climate scenarios. We modelled survival and development time during pupation (=pupal performance) in response to soil temperature and soil moisture using published and novel experimental data. Presence data on SHB distribution were used for model validation. We then linked the model with global soil data in order to classify areas (resolution: 10 arcmin; i.e. 18.6 km at the equator) as unsuitable, marginal and suitable for SHB pupation performance. Under the current climate, the results show that many areas globally yet uninvaded are actually suitable, suggesting considerable SHB invasion risk. Future scenarios of global warming project a vehement increase in climatic suitability for SHB and corresponding potential for invasion, especially in the temperate regions of the Northern hemisphere, thereby creating demand for enhanced and adapted mitigation and management. Our analysis shows, for the first time, effects of global warming on a honey bee pest and will help areas at risk to prepare adequately. In conclusion, this is a clear case for global warming promoting biological invasion of a pest species with severe potential to harm important pollinator species globally.

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Section: Introductionmentioning

confidence: 99%

Global warming promotes biological invasion of a honey bee pest

Cornelissen

Neumann

Schweiger

2019

Global Change Biology

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“…The Netherlands is not represented in the map, as the data did not allow calculation of overall loss rate at country or regional level, and hence the relative risk was unavailable. reported in Brodschneider et al (2018). Responses with insufficient or illogical answers were excluded, but for most countries these were a relatively small part of their data-set.…”

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confidence: 99%

Loss rates of honey bee colonies during winter 2017/18 in 36 countries participating in the COLOSS survey, including effects of forage sources

Gray

Brodschneider

Adjlane

et al. 2019

Journal of Apicultural Research

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114

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This short article presents loss rates of honey bee colonies over winter 2017/18 from 36 countries, including 33 in Europe, from data collected using the standardized COLOSS questionnaire. The 25,363 beekeepers supplying data passing consistency checks in total wintered 544,879 colonies, and reported 26,379 (4.8%, 95% CI 4.7-5.0%) colonies with unsolvable queen problems, 54,525 (10.0%, 95% CI 9.8-10.2%) dead colonies after winter and another 8,220 colonies (1.5%, 95% CI 1.4-1.6%) lost through natural disaster. This gave an overall loss rate of 16.4% (95% CI 16.1-16.6%) of honey bee colonies during winter 2017/18, but this varied greatly from 2.0 to 32.8% between countries. The included map shows relative risks of winter loss at regional level. The analysis using the total data-set confirmed findings from earlier surveys that smaller beekeeping operations with at most 50 colonies suffer significantly higher losses than larger operations (p < .001). Beekeepers migrating their colonies had significantly lower losses than those not migrating (p < .001), a different finding from previous research. Evaluation of six different forage sources as potential risk factors for colony loss indicated that intensive foraging on any of five of these plant sources (Orchards, Oilseed Rape, Maize, Heather and Autumn Forage Crops) was associated with significantly higher winter losses. This finding requires further study and explanation. A table is included giving detailed results of loss rates and the impact of the tested forage sources for each country and overall.

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“…is one of the most important insect pollinators of monoculture food crops worldwide, adding over $15 billion in economic value to agriculture each year in the United States and more than 200 billion worldwide (Klein et al , 2007; Gallai et al , 2009; Meixner, 2010). However, global honey bee populations have undergone elevated colony losses during the last decade (Zee et al , 2014; Brodschneider et al , 2016; Brodschneider et al , 2018). Honey bees are exposed to a wide range of pesticides while foraging in the field or consuming contaminated food stocked in the hive, such as the widely used neonicotinoid insecticides.…”

Section: Introductionmentioning

confidence: 99%

Honey bee (Apis mellifera) gut microbiota promotes host endogenous detoxification capability via regulation of P450 gene expression in the digestive tract

Zheng

Chen

et al. 2020

Microbial Biotechnology

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There is growing number of studies demonstrating a close relationship between insect gut microbiota and insecticide resistance. However, the contribution of the honey bee gut microbiota to host detoxification ability has yet to be investigated. In order to address this question, we compared the expression of cytochrome P450s (P450s) genes between gut microbiota deficient (GD) workers and conventional gut community (CV) workers and compared the mortality rates and the pesticide residue levels of GD and CV workers treated with thiacloprid or tau-fluvalinate. Our results showed that gut microbiota promotes the expression of P450 enzymes in the midgut, and the mortality rate and pesticide residue levels of GD workers are significantly higher than those of CV workers. Further comparisons between tetracyclinetreated workers and untreated workers demonstrated that antibiotic-induced gut dysbiosis leads to attenuated expression of P450s in the midgut. The co-treatment of antibiotics and pesticides leads to reduced survival rate and a significantly higher amount of pesticide residues in honey bees. Taken together, our results demonstrated that honey bee gut symbiont could contribute to bee health through the modification of the host xenobiotics detoxification pathways and revealed a potential negative impact of antibiotics to honey bee detoxification ability and health.

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Multi-country loss rates of honey bee colonies during winter 2016/2017 from the COLOSS survey

Cited by 119 publications

References 6 publications

Global warming promotes biological invasion of a honey bee pest

Global warming promotes biological invasion of a honey bee pest

Loss rates of honey bee colonies during winter 2017/18 in 36 countries participating in the COLOSS survey, including effects of forage sources

Honey bee (Apis mellifera) gut microbiota promotes host endogenous detoxification capability via regulation of P450 gene expression in the digestive tract

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