Koulianos, Stella; Schmid-Hempel, Paul (March 2000). "Phylogenetic Relationships among Bumble Bees (Bombus, Latreille) Inferred from Mitochondrial Cytochrome b and Cytochrome Oxidase I Sequences". Molecular Phylogenetics and Evolution. 14 (3): 335–341. doi:10.1006/mpev.1999.0621. PMID10712839.
Paxton, R. J.; Thorén, P. A.; Estoup, A.; Tengö, J. (2001). "Queen–worker conflict over male production and the sex ratio in a facultatively polyandrous bumblebee, Bombus hypnorum: the consequences of nest usurpation". Molecular Ecology. 10 (10): 2489–2498. doi:10.1046/j.0962-1083.2001.01377.x. PMID11742549. S2CID89447898.
Strambi, Alain; Strambi, Colette; Röseler, Peter-Frank; Röseler, Ingenorg (1984). "Simultaneous determination of juvenile hormone and ecdysteroid titers in the hemolymph of bumblebee prepupae (Bombus hypnorum and B. terrestris)". General and Comparative Endocrinology. 55 (1): 83–88. doi:10.1016/0016-6480(84)90131-x. PMID6745633.
van Honk, C. G. J.; Velthius, H. H. W.; Röseler, P. F. (July 1978). "A sex pheromone from the mandibular glands in bumblebee queens". Cellular and Molecular Life Sciences. 34 (7): 838–839. doi:10.1007/bf01939651. S2CID39943444.
Schmid-Hempel, R.; Schmid-Hempel, P. (2000). "Female mating frequencies in Bombus spp. from Central Europe". Insectes Soc. 47: 36–41. doi:10.1007/s000400050006. S2CID40487899.
Brown, M.J.F.; Baer, B.; Schmid-Hempel, R.; Schmid-Hempel, P. (2002). "Dynamics of multiple-mating in the bumble bee Bombus hypnorum". Insectes Soc. 49 (4): 315–319. doi:10.1007/pl00012654. S2CID34914439.
Paxton, R. J.; THORÉN, P. A.; ESTOUP§, A.; TENGÖ*, J. (2001). "Queen–worker conflict over male production and the sex ratio in a facultatively polyandrous bumblebee, Bombus hypnorum: the consequences of nest usurpation". Molecular Ecology. 10 (10): 2489–2498. doi:10.1046/j.0962-1083.2001.01377.x. PMID11742549. S2CID89447898.
Zimma, B. O.; Ayasse, M.; Tengö, J.; Ibarra, F.; Schulz, C.; Francke, W. (October 2003). "Do social parasitic bumblebees use chemical weapons? (Hymenoptera, Apidae)". J Comp Physiol A. 189 (10): 769–775. doi:10.1007/s00359-003-0451-x. PMID12955437. S2CID24441556.
Fonta, Caroline; Masson, Claudine (1984). "Comparative study by electrophysiology of olfactory responses in bumblebees (Bombus hypnorum and Bombus terrestris)". Journal of Chemical Ecology. 10 (8): 1157–1168. doi:10.1007/bf00988546. PMID24318903. S2CID30323213.
Koulianos, Stella; Schmid-Hempel, Paul (March 2000). "Phylogenetic Relationships among Bumble Bees (Bombus, Latreille) Inferred from Mitochondrial Cytochrome b and Cytochrome Oxidase I Sequences". Molecular Phylogenetics and Evolution. 14 (3): 335–341. doi:10.1006/mpev.1999.0621. PMID10712839.
Paxton, R. J.; Thorén, P. A.; Estoup, A.; Tengö, J. (2001). "Queen–worker conflict over male production and the sex ratio in a facultatively polyandrous bumblebee, Bombus hypnorum: the consequences of nest usurpation". Molecular Ecology. 10 (10): 2489–2498. doi:10.1046/j.0962-1083.2001.01377.x. PMID11742549. S2CID89447898.
Strambi, Alain; Strambi, Colette; Röseler, Peter-Frank; Röseler, Ingenorg (1984). "Simultaneous determination of juvenile hormone and ecdysteroid titers in the hemolymph of bumblebee prepupae (Bombus hypnorum and B. terrestris)". General and Comparative Endocrinology. 55 (1): 83–88. doi:10.1016/0016-6480(84)90131-x. PMID6745633.
Paxton, R. J.; THORÉN, P. A.; ESTOUP§, A.; TENGÖ*, J. (2001). "Queen–worker conflict over male production and the sex ratio in a facultatively polyandrous bumblebee, Bombus hypnorum: the consequences of nest usurpation". Molecular Ecology. 10 (10): 2489–2498. doi:10.1046/j.0962-1083.2001.01377.x. PMID11742549. S2CID89447898.
Zimma, B. O.; Ayasse, M.; Tengö, J.; Ibarra, F.; Schulz, C.; Francke, W. (October 2003). "Do social parasitic bumblebees use chemical weapons? (Hymenoptera, Apidae)". J Comp Physiol A. 189 (10): 769–775. doi:10.1007/s00359-003-0451-x. PMID12955437. S2CID24441556.
Fonta, Caroline; Masson, Claudine (1984). "Comparative study by electrophysiology of olfactory responses in bumblebees (Bombus hypnorum and Bombus terrestris)". Journal of Chemical Ecology. 10 (8): 1157–1168. doi:10.1007/bf00988546. PMID24318903. S2CID30323213.
Paxton, R. J.; Thorén, P. A.; Estoup, A.; Tengö, J. (2001). "Queen–worker conflict over male production and the sex ratio in a facultatively polyandrous bumblebee, Bombus hypnorum: the consequences of nest usurpation". Molecular Ecology. 10 (10): 2489–2498. doi:10.1046/j.0962-1083.2001.01377.x. PMID11742549. S2CID89447898.
van Honk, C. G. J.; Velthius, H. H. W.; Röseler, P. F. (July 1978). "A sex pheromone from the mandibular glands in bumblebee queens". Cellular and Molecular Life Sciences. 34 (7): 838–839. doi:10.1007/bf01939651. S2CID39943444.
Schmid-Hempel, R.; Schmid-Hempel, P. (2000). "Female mating frequencies in Bombus spp. from Central Europe". Insectes Soc. 47: 36–41. doi:10.1007/s000400050006. S2CID40487899.
Brown, M.J.F.; Baer, B.; Schmid-Hempel, R.; Schmid-Hempel, P. (2002). "Dynamics of multiple-mating in the bumble bee Bombus hypnorum". Insectes Soc. 49 (4): 315–319. doi:10.1007/pl00012654. S2CID34914439.
Paxton, R. J.; THORÉN, P. A.; ESTOUP§, A.; TENGÖ*, J. (2001). "Queen–worker conflict over male production and the sex ratio in a facultatively polyandrous bumblebee, Bombus hypnorum: the consequences of nest usurpation". Molecular Ecology. 10 (10): 2489–2498. doi:10.1046/j.0962-1083.2001.01377.x. PMID11742549. S2CID89447898.
Zimma, B. O.; Ayasse, M.; Tengö, J.; Ibarra, F.; Schulz, C.; Francke, W. (October 2003). "Do social parasitic bumblebees use chemical weapons? (Hymenoptera, Apidae)". J Comp Physiol A. 189 (10): 769–775. doi:10.1007/s00359-003-0451-x. PMID12955437. S2CID24441556.
Fonta, Caroline; Masson, Claudine (1984). "Comparative study by electrophysiology of olfactory responses in bumblebees (Bombus hypnorum and Bombus terrestris)". Journal of Chemical Ecology. 10 (8): 1157–1168. doi:10.1007/bf00988546. PMID24318903. S2CID30323213.