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New Zealand Beekeeping Forums
New Zealand Beekeeping Disease & Pests
Resistant varroa disaster.
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<blockquote data-quote="John B" data-source="post: 2859" data-attributes="member: 207"><p>Definitely Hawke's Bay and any hives that went into Bay of Plenty kiwi fruit pollination. It's really hard to know whether it's very widespread but I suspect it is. 20 years ago we all would have been on the phone to each other and everyone would have at least been aware of what was happening but beekeepers have become very insular (for good reason) and I suspect the majority of beekeepers no longer have any contact with other beekeepers when it comes to the sort of problem.</p><p>Beekeepers that didn't use synthetic pyrethroid strips This autumn shouldn't be completely complacent either because there is going to be some pretty massive reinvasion pressure. There are also anecdotally hives that have not been treated at all because of lack of funds and these will add to the problem.</p><p>When you get resistance it can be very obvious because the hives are dead but you can also get partial resistance and the hives may look fine but still have moderate numbers of mites and these hives will probably not survive the winter. I know from a few years ago when I took part in a thymol trial that even a few mites left in the late autumn lead to severely compromised hives in the spring.</p></blockquote><p></p>
[QUOTE="John B, post: 2859, member: 207"] Definitely Hawke's Bay and any hives that went into Bay of Plenty kiwi fruit pollination. It's really hard to know whether it's very widespread but I suspect it is. 20 years ago we all would have been on the phone to each other and everyone would have at least been aware of what was happening but beekeepers have become very insular (for good reason) and I suspect the majority of beekeepers no longer have any contact with other beekeepers when it comes to the sort of problem. Beekeepers that didn't use synthetic pyrethroid strips This autumn shouldn't be completely complacent either because there is going to be some pretty massive reinvasion pressure. There are also anecdotally hives that have not been treated at all because of lack of funds and these will add to the problem. When you get resistance it can be very obvious because the hives are dead but you can also get partial resistance and the hives may look fine but still have moderate numbers of mites and these hives will probably not survive the winter. I know from a few years ago when I took part in a thymol trial that even a few mites left in the late autumn lead to severely compromised hives in the spring. [/QUOTE]
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Resistant varroa disaster.
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