In message <[log in to unmask]>, Martin Hromádko <[log in to unmask]> writes >We dont treat bees against varroa in my country in spring usually, becouse >we do it since end of summer by acaricides. Sometimes we treat bees in >spring if manny varoa mites fall down during winter period and it is >observed by Czech veterinary. Hello Martin - which acaricides do you use in the Czech Republic? Welcome. -- James Kilty