IDENTIFICATION OF A TRIGLYCERIDE (GLYCERYL-1,2-DIOLEATE-3-PALMITATE) AS A BROOD PHEROMONE OF THE HONEY BEE (APIS MELLIFERA L.) N. KOENIGER and H. J. VEITH Apidologie, 14 1 (1983) 59 DOI: 10.1051/apido:19830105