swarm clinging around their queen

Don’s tips – swarming

5. under crownboardSwarms will carry a number of female Varroa mites, just waiting for a new lot of brood to be raised to enable them to reproduce – a fact that we have to live with – but they are at their most vulnerable in the first 7 to 8 days after the swarm has been hived, there will be no mature unsealed brood to hide in (unless the keeper has given a comb of brood as an ‘anchor’). A dose of varroacide, such as Thymovar, can be applied.

Don Cooper. 30/05/2015

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