Lloyd Spear wrote:

>it is my understanding that Apistan and Coumaphous DO NOT kill mites
>inside the trachea, but both Oxalic and Formic do.
>
>
Apistan and Cumaphose are contact killers so do not kill Varroa mites
inside cells either. Tracheal mites come out to go from bee to bee so
are exposed.

Bill

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
-- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and  other info ---
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::