What was the temperature?
Did you spill any sugar syrup in that area? If you are using in-hive feeders, perhaps some is leaking down to the ground. Or maybe some honey is leaking or leaked out when you pulled out some frames?
It could be a farewell party for the drones.
Did you spill any sugar syrup in that area? If you are using in-hive feeders, perhaps some is leaking down to the ground. Or maybe some honey is leaking or leaked out when you pulled out some frames?
It could be a farewell party for the drones.