- Joined
- Mar 19, 2009
- Messages
- 2,219
- Reaction score
- 67
- Location
- North West UK
- Hive Type
- National
- Number of Hives
- National and 14x12
Powder or icing sugar is most effective when there is no capped brood present. I believe it to be ineffective in longterm varroa management in the presence of capped brood.
For swarms I use oxalic acid.
For newly mated queens in nucs I use 2 doses of icing sugar approx 2 days apart. The problem is getting the timing right- 3 nucs this year had loads of capped brood when I would have expected the queen to have only just started to lay.
For swarms I use oxalic acid.
For newly mated queens in nucs I use 2 doses of icing sugar approx 2 days apart. The problem is getting the timing right- 3 nucs this year had loads of capped brood when I would have expected the queen to have only just started to lay.