Wait for days and try to release again. More support for using Russian bees to fight varroa can be found on this page of the Agricultural Research Service of the U. Would you like to leave your own testimonial? Russians already have them in reserve. Russian queens shut-down earlier than normal and Russian worker population drops to winter levels sooner.
This helps break the varroa reproduction cycle, and exposes the adult varroa to the Russian hygienic trait.
The Russian Honey Bee Breeders Association
One of the geneticists responsible for this was Dr. June 10, at 3: The Primorsky Russian Honeybee Introduction: Release and observe as mentioned before. Additionally, their prices have declined in recent years and can be bought for the about the same price as Italians or Carniolans. Certified breeders stock must be tested and found genetically pure to maintain their certification as a Russian breeder. Russians are excellent at over-wintering.