Another good reason to limited bee importations
Would like to hear your thoughts on this?

>4.5. Implications for world apiculture

New V. destructor haplotypes that colonize
A. mellifera may show slight differences in
their life cycles, which cause them to become
more virulent than the current K1-1 and J1-
1. Indeed, J1-1 is assumed to be far less virulent
to A. mellifera than K1-1 (de Guzman and
Rinderer, 1999) is thought to be displacing
J1-1 in places where the two are sympatric
(de Guzman et al., 1997; Anderson, 2000;
Garrido et al., 2003). These observations caution
against the free movement of honeybees
and signal the need for strict and proper quarantine
for the trade of live honeybees between
countries.<

http://www.ars.usda.gov/SP2UserFiles/Place/64133000/PDFFiles/473-Navajas--New%20Asian%20Types%20of%20Varroa%20destructor.pdf

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