Role of Human Action in the Spread of Honey Bee (Hymenoptera: Apidae) Pathogens

Owen, Robert

doi:10.1093/jee/tox075

Cited by 38 publications

(35 citation statements)

References 27 publications

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“…This invasive pest has recently expanded from its original host, the eastern honey bee ( Apis cerana Fabricius , 1793), to parasitizing on A. mellifera , largely due to anthropogenic influence. As such, V. destructor is currently among the most successful mites parasitizing on bee colonies in Africa, Asia, Europe, the Americas, and much of Oceania . Without treatment, A. mellifera colonies collapse within 2–3 years .…”

Section: Introductionmentioning

confidence: 99%

Spatio‐temporal dynamics of Varroa destructor resistance to tau‐fluvalinate in Czechia, associated with L925V sodium channel point mutation

Stará

Pekár

Nešvorná

et al. 2018

Pest Management Science

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BACKGROUND: Extensive application of pyrethroids to control Varroa destructor, an invasive mite devastating bee colonies, has resulted in a global spread of resistant mite populations. In this study, we analyzed the spatio-temporal dynamics of resistant V. destructor populations in Czechia, stemming from the L925V mutation. Mites were collected during 2011-2018 directly or from winter beeswax debris, and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and densitometry was used to detect the L925V mutation.RESULTS: Pooled samples of 10 mites were classified, based on their PCR-RFLP patterns, as tau-fluvalinate-sensitive (56%), resistant (9%), or mixed (35%), with the latter including sensitive and resistant homo-and heterozygotes. We identified two zones with higher frequencies of resistance, one in southern Moravia and the other in Bohemia. The mutant populations were evenly distributed throughout the monitored districts, with a few temporal and spatial local fluctuations. The greatest increase in resistance was observed in 2016, following massive losses of bee colonies in the winter of 2015. This event appeared to be closely associated with fluctuations in resistant mite populations and their dispersion. CONCLUSION: Two outbreaks of resistance were detected in Czechia; however, the amount of applied tau-fluvalinate was not correlated with the frequency of resistance in mites. There was no remarkable increase in mite resistance in 2011-2018, although the use of tau-fluvalinate increased 40-fold between 2011 and 2015. PCR-RFLP analysis, performed on mites present in beeswax debris, is a suitable method for monitoring the L925V mutation in V. destructor.

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Section: Introductionmentioning

confidence: 99%

Spatio‐temporal dynamics of Varroa destructor resistance to tau‐fluvalinate in Czechia, associated with L925V sodium channel point mutation

Stará

Pekár

Nešvorná

et al. 2018

Pest Management Science

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“…To conclude, despite the existence of a few apparently successful examples (see section 1.2.2), attempts to import surviving material from other regions or environments should not be supported. Aside from the uncertain performance of the introduced stock, detrimental side effects such as admixture with local populations and the risk of introducing foreign pests and pathogens have to be taken into account (Owen, 2017). As there is no guarantee that survival is a heritable trait, taking advantage of genotype-environment interactions by working towards surviving stock within groups of beekeepers operating in similar environmental conditions is recommended (Figure 1)…”

Section: Genotype-environment Interactionsmentioning

confidence: 99%

Three Decades of Selecting Honey Bees that Survive Infestations by the Parasitic Mite <em>Varroa destructor</em>: Outcomes, Limitations and Strategy

Guichard¹,

Dietemann²,

Neuditschko³

et al. 2020

Preprint

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Despite the implementation of control strategies, the invasive parasitic mite Varroa destructor remains one of the principal causes of honey bee (Apis mellifera) colony losses in numerous countries. For this reason, the parasite represents a serious threat to beekeeping and to agro-ecosystems that benefit from the pollination services provided by honey bees. Numerous selection programmes have been initiated over the last three decades with the aim of promoting the establishment of balance in the host–parasite relationship and, thus, helping European honey bees to survive in the presence of the parasite without the need for acaricide treatments. Such programmes have focused on either selective breeding for putative resistance traits or natural selection. To date, no clear overview of these attempts has been available, which has prevented building on past successes or failures and, therefore, hindered the development of a sustainable strategy for solving the V. destructor problem. In the present study, we review past and current selection strategies, report on their outcomes and discuss their limitations. Based on this state-of-the-art knowledge, we propose a strategy for increasing response to selection and colony survival against V. destructor infestations. Developing in-depth knowledge regarding the selected traits, optimising selection programmes and communicating their outcomes are all crucial to our efforts to establish a balanced relationship between the invasive parasite and its new host.

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“…Remarkably adaptive and complex (Figure 1, Key Figure), Varroa destructor [1] (hereon referred to as varroa, unless otherwise stated) is linked to the worldwide decline in honey bee (Apis mellifera) health [2]. The global spread of varroa has been assisted by international trade (Box 1, Figure 2a) [3], and while numerous mitochondrial haplogroups (see Glossary) have been defined (Supplemental Box S1-S3), the Korean K1 is the most pervasive (Figure 2b). No other pathogen or parasite has had a comparable impact on honey bees, in part because varroa only recently adapted from its original host, the Asian honey bee (A. cerana) (Figure 3) to exploit a naïve host with inadequate innate defenses.…”

Section: A Formidable Foementioning

confidence: 99%

<em>Varroa destructor</em>: A Complex Parasite, Crippling Honey bees Worldwide

Traynor¹,

Mondet

Miranda³

et al. 2020

Preprint

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The parasitic mite, Varroa destructor, has shaken the beekeeping and pollination industries since its spread from its native host, the Asian honey bee (Apis cerana), to the naïve European honey bee (A. mellifera) used commercially for pollination and honey production around the globe. Varroa is the greatest threat to honey bee health. Worrying observations include increasing acaricide resistance in the varroa population and sinking economic treatment thresholds, suggesting that the mites or their vectored viruses are becoming more virulent. Highly infested weak colonies facilitate mite dispersal and disease transmission to stronger and healthier colonies. Here, we review recent developments in the biology, pathology and management of varroa, and integrate older knowledge that is less well known.

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Role of Human Action in the Spread of Honey Bee (Hymenoptera: Apidae) Pathogens

Cited by 38 publications

References 27 publications

Spatio‐temporal dynamics of Varroa destructor resistance to tau‐fluvalinate in Czechia, associated with L925V sodium channel point mutation

Spatio‐temporal dynamics of Varroa destructor resistance to tau‐fluvalinate in Czechia, associated with L925V sodium channel point mutation

Three Decades of Selecting Honey Bees that Survive Infestations by the Parasitic Mite <em>Varroa destructor</em>: Outcomes, Limitations and Strategy

<em>Varroa destructor</em>: A Complex Parasite, Crippling Honey bees Worldwide

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