>VARROA JACOBSONI [renamed destructor] DOES REPRODUCE IN WORKER CELLS OF
APIS CERANA IN SOUTH KOREA

But not so in Viet Nam:

"To test if nonreproduction
of V. jacobsoni in worker brood cells of A. cerana is due to a trait of the
mites or
of the honey-bee species, mites from bees in A. mellifera colonies were
artificially introduced into
A. cerana worker brood cells and vice versa. Approximately 80% of the mites
from A. mellifera
colonies reproduced in naturally infested worker cells as well as when
introduced into worker
cells of A. mellifera and A. cerana. Conversely, only 10% of the mites from
A. cerana colonies
reproduced, both in naturally infested worker cells of A. cerana and when
introduced into worker
cells of A. mellifera."  Boot, et al 1999

Pete, I find this phenomenon to be of great interest as we breed for varroa
resistant bees  Again and again I am drawn to findings in which something
about the bee/mite relationship results in a lowered rate of successful
reproduction of the mite in worker brood (separate from bee VSH, which is
an additional behavior).

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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