Ågren L, Cederberg B, Svensson BG (1979) Changes with age in ultrastructure and pheromone content of male labial glands in some bumble bee species (Hymenoptera, Apidae). Zoon 7: 1-14.
Baer B, Schmid-Hempel P (2001) Unexpected consequences of polyandry for parasitism and fitness in the bumblebee, Bombus terrestris. Evolution 55: 1639-1643.
Bellés X, Galofré A, Ginebreda A (1987) Taxonomic potential of the chemical constituents in the cephalic marking secretions of Bombus and Psithyrus species (Hymenoptera, Apidae): a numerical taxonomic study. Apidologie 18: 231-242.
Bergman P (1997) Chemical communication in bumblebees premating behavior. Ph. D. thesis, Department of Chemical Ecology, Göteborg University, Göteborg. 30p + 6 annexes.
Bergström G (1981) Chemical aspects of insect exocrine signals as a means for systematic and phylogenetic discussions in aculeate Hymenoptera. Entomol Scand Suppl 15: 173-184.
Calam DH (1969) Species and sex-specific compounds from the heads of male bumblebees (Bombus spp.). Nature 221: 856-857.
Coppée A, Terzo M, Valterová I, Rasmont P (2008) Intraspecific variation of the cephalic labial gland secretions in Bombus terrestris (L.) (Hymenoptera: Apidae). Chem Biodivers 5: 2654-2661.
Duchateau MJ, Marien J (1995) Sexual biology of haploid and diploid males in the bumble bee Bombus terrestris. Insectes Soc 42: 255-266.
Duchateau MJ, Hoshiba H, Velthuis HHW (1994) Diploid males in the bumble bee Bombus terrestris sex determination, sex alleles and viability. Entomol Exp Appl 71: 263-269.
Duvoisin N, Baer B, Schmid-Hempel P (1999) Sperm transfer and male competition in a bumblebee. Anim Behav 58: 743-749.
Gerloff CU, Schmid-Hempel P (2005) Inbreeding depression and family variation in a social insect, Bombus terrestris (Hymenoptera: Apidae). Oikos 111: 67-80.
Kullenberg B, Bergström G, Bringer B, Carlberg B, Cederberg B (1973) Observations on scent marking by Bombus Latr and Psithyrus Lep. males (Hymenoptera, Apidae) and localization of site of production of the secretion. Zoon Suppl 1: 23-30.
Luxová A, Urbanová K, Valterová I, Terzo M, Borg-Karlson A-K (1970) Absolute configuration of chiral terpenes in marking pheromones of bumblebees and cuckoo bumblebees. Chirality 16: 228-233.
Rasmont P, Coppée A, Michez D, De Meulemeester T (2008) An overview of the Bombus terrestris (L. 1758) subspecies (Hymenoptera: Apidae). Ann Soc Entomol Fr 44: 243-250.
Šobotník J, Kalinová B, Cahlíková L, Weyda F, Ptáček V, Valterová I (2008) Age-dependent changes in structure and function of the male labial gland in Bombus terrestris. J Insect Physiol 54: 204-214.
Ställberg-Stenhagen S (1970) The absolute configuration of terrestrol. Acta Chem Scand 24: 358-360.
Svensson BG (1979) Patrolling behaviour of bumble bee males (Hymenoptera, Apidae) in a subalpine/alpine area, Swedish Lapland. Zoon 7: 67-94.
Terzo M, Urbanová K, Valterová I, Rasmont P (2005) Intra and interspecific variability of the cephalic labial glands' secretion in male bumblebees: the case of Bombus (Thoracobombus)ruderarius and B. (Thoracobombus) sylvarum [Hymenoptera, Apidae]. Apidologie 36: 85-96.
van Wilgenburg E, Driessen G, Beukeboom LW (2006) Single locus complementary sex determination in Hymenoptera: an "unintelligent" design? Front Zool 3: 1.
Whitehorn PR, Tinsley MC, Brown MJF, Darvill B, Goulson D (2009) Impacts of inbreeding on bumblebee colony fitness under field conditions. BMC Evol Biol 9: 152.
Žáček P, Kalinová B, Šobotník J, Hovorka O, Ptáček V, Coppée A, Verheggen F, Valterová I (2009) Comparison of age-dependent quantitative changes in the male labial secretion of Bombus terrestris and Bombus lucorum. J Chem Ecol 35: 698-705.