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Suppressed mite reproduction (SMR) is an important trait for the selection of Varroa resistant honey bee colonies. It has repeatedly been assumed that SMR is an effect of varroa sensitive hygiene (VSH) when hygienic bees preferably remove those brood cells where the mite has reproduced. We here compare the VSH behaviour of honey bees toward brood cells artificial infested with a varroa mite. By infesting half of the brood cells directly after the cell capping and the other half only 24 h later, we established two groups with high (&gt; 75%) and low (&lt; 2%) mite reproduction. After 8 days, about 40% of the infested brood cells were removed, however without any difference between both groups. Likewise, no group differences were recorded in the percentage of recapped brood cells. This strongly indicates that the presence of mite offspring is not a crucial trigger for the VSH behaviour. SMR data like the percentage of non-reproducing mites are therefore not the optimal measure for the selection of colonies with high VSH.

Reproduction of Varroa destructor does not elicit varroa sensitive hygiene (VSH) or recapping behaviour in honey bee colonies (Apis mellifera)