“…It seems that workers in the court obtain queen pheromone on their antennae and distribute it in the colony by antenna1 contact with other workers (Free, 1978;Seeley, 1979;Ferguson & Free, 1980;Juska el nl., 1981). Immature queens also produce pheromones (Boch, 1979;Free et al, 1984) which are probably distributed in a similar way (Free & Ferguson, 1982).…”