>Interesting to me is that uncapping/recapping is the only trait known that
is common to all studied resistant populations:
 https://royalsocietypublishing.org/doi/10.1098/rspb.2021.1375
The senior author has shifted his opinion since that publication.

>It seems plan that uncapping/recapping is a hygiene function devoid of
removal of the pupae. If this is marginally effective in support of Brood
Effects, it would likely represent a less-costly investment than VSH.

There has always been recapping behavior -- it's the uncapping behavior
that is of interest.
Uncapping followed by recapping is indeed low-cost investment for a small
amount of return.
My own non-resistant colonies exhibit a high amount of recapping, but don't
control their mites.
My resistant colonies couple uncapping with some degree of VSH.  The
combination is successful.


Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com

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