You've probably noticed that your #bees are more tetchy towards the end of the season. They could be aggravated by #varroa mites (treat with #Apiguard or #Apistan if they need it).
Also, their attitude to risk lowers ...

Apiguard: Varroa Control - Vita Bee Health Apiguard Apigaurd varroa

If you are treating for #varroa with #Apiguard, this should help - and if you hit unusual situations, see the linked FAQ. www.vita-europe.com/beehealth/pr... #honeybees