Appelgren, M., Bergström, G., Svensson, B.G., and Cederberg, B. 1991. Marking pheromones of Megabombus bumble bee males. Acta Chem. Scand. 45:972-974. |
|
Kullenberg, B., Bergström, G., and Ställberg-Stenhagen, S. 1970. Volatile components of the marking secretion of male bumblebees. Acta Chem. Scand. 24:1481-1483. |
|