www.theguardian.com/world/2019/jan/31/new-zealand-brings-first-manuka-honey-prosecution-chemicals

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An invasive hornet that kills honey bees has been spotted in Britain for the first time, experts have confirmed.

… CLICK HERE for BBC article!

For the queen bee, mating is a once-in-a-lifetime event. To ensure safety along with success, the males’ seminal fluid has been found to contain proteins that can kill spores of sexually transmitted fungal pathogen Nosema apis(Proceedings of the Royal Society B, DOI: 10.1098/rspb.2015.1785)

… yet another example of how Drones promote healthy colonies!!