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Published March 4, 2019 | Version v1
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. Study of Nosema spp. in the Tomsk region, Siberia: co-infection is widespread in honeybee colonies

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Ostroverkhova, N.V., Kucher, A.N., Golubeva, E.P., Rosseykina, S.A., Konusova, O.L. (2019): . Study of Nosema spp. in the Tomsk region, Siberia: co-infection is widespread in honeybee colonies. Far Eastern Entomologist 378: 12-22, DOI: 10.25221/fee.378.3, URL: http://dx.doi.org/10.25221/fee.378.3

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urn:lsid:plazi.org:pub:FF997264FF367277211DFFB91D07FFAB

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Figure: 10.5281/zenodo.7165182 (DOI)
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  • It should be noted that in 2016, the winter losses of bee colonies were observed in the apiaries of Molchanovsky and Teguldetsky districts. In February, the death of some bee colonies was registered. The mass losses of bee colonies continued for a month after the first flight. The disease was characterized as a typical type A nosemosis caused by N. apis. The main clinical symptom was diarrhea of bees (Ostroverkhova et al., 2014). In all the studied samples of dead bees, both species of Nosema were identified, but N. apis was dominant. The most likely cause of the death of bee colonies in apiaries was Nosema disease.
  • In 2016-2017, the rapid and wide spread of the more pathogenic N. ceranae was observed in apiaries in most studied areas. However, according to a retrospective analysis of bee colonies collected from apiaries of the Tomsk region in 2008-2011 and stored in the Bank of bee samples, N. ceranae have been present in some apiaries since at least 2009 (Ostroverkhova et al., 2018). In this regard, it is of interest to analyze the long-term dynamics of infection of honeybees with different Nosema species in apiaries of the Tomsk region.