> Demonstrated by Apis cerana.
Varroa is handled by cerana in three
main ways.
1. varroa does not reproduce in the worker brood of cerana therefore
limiting reproduction to only times when the colony is producing drone
brood.
2. swarming. Cerana swarms more than any race of bee I have been told which
limits varroa.
3.cerana keeps an opening in drone cells from which to extract varroa from
cells.
Mellifera is not known for any of the above and not likely to change any
time soon .
A bee which can handle varroa (untreated) as managed in commercial
operations today seems unlikely but we must remain optimistic.
bob
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