Three and half years on from first finding varroa in Australia, authorities have detected a gene mutation in the parasite which is resulting in lower susceptibility to several common treatments. Has this ‘resistance’ developed in such a short period? Is it the result of a separate, parallel, mite incursion? Or has it just been missed to this point? Australian beekeepers and scientists are searching for answers, while experts in New Zealand say the news should put Kiwi beekeep

In the third and final article of his series, Sebastian Owen discusses the development of resistance in varroa mites and explains what...

Despite beekeepers voicing concerns for several years, varroa’s genetic resistance to miticide treatments in New Zealand has not yet been...