Brood loss has been indicated as a possibility when using Formic acid as
a miticide.
Since I have used this acid as a treatment for low level varroa mite
control (my colonies, as last year are showing a low level of brood
presence at this period and temperatures have been near perfect), I
would be most grateful for any information on what Formic acid damaged
brood looks like.
Has it any particular characteristics?
Thanks in advance,
Peter
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