Are viri spread by trophallaxis?
Do bees feed each other when in the cluster or is it to each their own?


On Sun, Oct 9, 2022 at 11:00 AM Peter Borst <
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> Virus prevalence analysis is commonly carried out on surviving colonies in
> spring in an attempt to help extension apiarists explain winter colony
> death as it might relate to fall pathogen composition, but the value of
> doing this is unclear.
>
> Our results suggest that since unhealthy and healthy colonies had similar
> prevalence for all viruses within Manitoba and to most viruses across
> Canada, the identification of the mere presence or absence of bee viruses
> in colonies is not likely to be useful for assessing the impact of viruses
> on colonies or informing the development of successful management
> strategies for colonies.
>
> Our study suggests spring virus prevalence data from surviving colonies
> should not be used by extension personnel to explain colony loss in the
> absence of other supporting data
>
> Desai, S. D., Kumar, S., & Currie, R. W. (2016). Occurrence, detection,
> and quantification of economically important viruses in healthy and
> unhealthy honey bee (Hymenoptera: Apidae) colonies in Canada. The Canadian
> Entomologist, 148(01), 22-35.
>
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