Abdoli, P., and Monfared, A. 2014. Identification and analysis of the male labial gland secretions of three species of Bombus (Thoracobombus) (Hymenoptera: Apidae). J. Crop Prot. 3:357-367. |
|
Terzo, M., Valterová, I., and Rasmont, P. 2007. Atypical secretions of the male cephalic labial glands in bumblebees: the case of Bombus (Rhodobombus) mesomelas Gerstaecker (Hymenoptera, Apidae). Chem. Biodiv. 4:1466-1471. |
|