Johansson, I., Svensson, B.G., Tengö, J., and Bergström, G. 1982. Systematic relationship of halictinae bees based on the pattern of macrocyclic lactones in the Dufour gland secretion. Insect Biochem. 12:161-170. |
|
Bergström, G., and Tengö, J. 1979. C24-, C22-, C20- and C18-macrocyclic lactones in halictide bees. Acta Chem. Scand. 33:390. |
|