Varroa Mites are the #1 enemy of the honey bees. I think this is the best video I have seen on explaining the effect of varroa mites on honey bees.
See also how to test for mites
Varroa Mites are the #1 enemy of the honey bees. I think this is the best video I have seen on explaining the effect of varroa mites on honey bees.
See also how to test for mites