To keep with the same thread, I am curious to know at what specific time the beekeepers shut the upper entrance in the spring and force the bees to use the lower entrance. What motivates the choice? Jean-Pierre Chapleau eleveur de reines / queen breeder vice-president du Conseil canadien du miel / Vice-president of the Canadian Honey Council 1282, rang 8, Saint-Adrien de Ham, Quebec, Canada, J0A 1C0 tel./phone (819) 828-3396; fax (819) 828-0357 [log in to unmask]