Tengö, J., and Bergström, G. 1977. Comparative analyses of complex secretions from heads of Andrena bees (Hym., Apoidea). Comp. Biochem. Physiol. B. 57:197-202. |
|
Tengö, J., and Bergström, G. 1975. All-trans-farnesyl hexanoate and geranyl octanoate in the Dufour gland secretion of Andrena (Hymenoptera: Apoidea). J. Chem. Ecol. 1:253-268. |
|