Beekeeping Information Centre

Bee Craft Timely Reminder – November 30th 2016

Re-painting a varroa tray. The mites are easier to pick out on a clean white tray. Photo: P Aslin.

Re-painting a varroa tray. The mites are easier to pick out on a clean white tray. Photo: P Aslin.

Continue to monitor varroa levels.

Clean the varroa tray under the Open Mesh Floor. Re-insert it and leave it for a fortnight before counting the number of mites which have dropped down.

The natural mite drop should be much lower during the winter months as there is much less brood which is where the mites reproduce. By counting the number of mites you find on the tray after one or two weeks, then dividing that number by the number of days the tray has been in, you can establish the average daily mite drop. At this time of year an average drop of 1 or less is not great cause for concern. If you have a higher drop, you may need to consider if and how to treat.

There is a useful Varroa Calculator on Bee Base.

There is more information about varroa treatments in the Bee Craft Beekeeping Information Centre.

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