“…They start with the cleaning of cells when they are just emerged, continue with the nursing of brood and later are responsible for the storing of nectar and pollen. The most dangerous task, foraging, is undertaken by the oldest bees in the colony (Rösch, 1925(Rösch, ,1930Lindauer, of certain ages do typically exhibit consistent sets of tasks. The temporal changes in labour activities of the workers correlate to the spatial shift from the central broodnest to the outside of the hive (Sakagami, 1953;Seeley, 1982).…”