Intressant undersökning av hur bina bekämpar Varroa. http://resistantbees.com/blog/?page_id=2471

Labelled green are the cells that have just been opened by the bees and which all contained Varroa mites, as described above.
labeled red are the cells that were cleared in the last 3 days.

35sa_bh_1

öppnadedrönarceller