��cek, P., Kalinov�, B., �obotn�k, J., Hovorka, O., Pt�cek, V., Copp�e, A., Verheggen, F., and Valterov�, I. 2009. Comparison of age-dependent quantitative changes in the male labial gland secretion of Bombus terrestris and Bombus lucorum. J. Chem. Ecol. 35:698-705. |
|
Cahl�kov�, L., Hovorka, O., Pt�cek, V., and Valterov�, I. 2004. Exocrine gland secretions of virgin queens of five bumblebee species (Hymenoptera: Apidae, Bombini). Z. Naturforsch. C. 59:582-589. |
|
Luxov�, A., Urbanov�, K., Valterov�, I., Terzo, M., and Borg-Karlson, A.K. 2004. Absolute configuration of chiral terpenes in marking pheromones of bumblebees and cuckoo bumblebees. Chirality. 16:228-233. |
|
Kullenberg, B., Bergstr�m, G., and St�llberg-Stenhagen, S. 1970. Volatile components of the marking secretion of male bumblebees. Acta Chem. Scand. 24:1481-1483. |
|
Calam, D.H. 1969a. Species and sex-specific compounds from the heads of male bumblebees (Bombus spp.). Nature. 221:856-857. |
|