Colla, Sheila R.; Gadallah, Fawziah; Richardson, Leif; Wagner, David; Gall, Lawrence (1 December 2012). "Assessing declines of North American bumble bees (Bombus spp.) using museum specimens". Biodiversity and Conservation. 21 (14): 3585–3595. Bibcode:2012BiCon..21.3585C. doi:10.1007/s10531-012-0383-2. S2CID13056138.
Plath, O. E. (1923). "Breeding Experiments with Confined Bremus (Bombus) Queens". Biological Bulletin. 45 (6): 325–341. doi:10.2307/1536729. JSTOR1536729.
Payne, C. M.; Laverty, T. M.; Lachance, M. A. (1 November 2003). "The frequency of multiple paternity in bumble bee (Bombus) colonies based on microsatellite DNA at the B10 locus". Insectes Sociaux. 50 (4): 375–378. doi:10.1007/s00040-003-0692-2. S2CID38261887.
Dukas, Reuven; Real, Leslie A. (August 1991). "Learning foraging tasks by bees: a comparison between social and solitary species". Animal Behaviour. 42 (2): 269–276. doi:10.1016/S0003-3472(05)80558-5. S2CID53161274.
Dorr, Laurence J. (1981). "The Pollination Ecology of Zenobia (Ericaceae)". American Journal of Botany. 68 (10): 1325–1332. doi:10.2307/2442731. JSTOR2442731.
Benning, John W. (October 2015). "Odd for an Ericad: Nocturnal Pollination of Lyonia lucida (Ericaceae)". The American Midland Naturalist. 174 (2): 204–217. doi:10.1674/0003-0031-174.2.204. S2CID86085087.
Macior, Lazarus Walter (1966). "Foraging Behavior of Bombus (Hymenoptera: Apidae) in Relation to Aquilegia Pollination". American Journal of Botany. 53 (3): 302–309. doi:10.2307/2439803. JSTOR2439803.
Maehr, David S.; Brady, James R. (1984). "Food Habits of Florida Black Bears". The Journal of Wildlife Management. 48 (1): 230–235. doi:10.2307/3808478. JSTOR3808478.
Kissinger, Christina N.; Cameron, Sydney A.; Thorp, Robbin W.; White, Brendan; Solter, Leellen F. (July 2011). "Survey of bumble bee (Bombus) pathogens and parasites in Illinois and selected areas of northern California and southern Oregon". Journal of Invertebrate Pathology. 107 (3): 220–224. Bibcode:2011JInvP.107..220K. doi:10.1016/j.jip.2011.04.008. PMID21545804.
Malfi, Rosemary L.; Roulston, T'Ai H. (February 2014). "Patterns of parasite infection in bumble bees ( Bombus spp.) of Northern Virginia: Parasitism in bumble bees of Virginia". Ecological Entomology. 39 (1): 17–29. doi:10.1111/een.12069. S2CID86392918.
Tripodi, Amber D.; Cibils-Stewart, Ximena; McCornack, Brian P.; Szalanski, Allen L. (April 2014). "Nosema bombi (Microsporidia: Nosematidae) and Trypanosomatid Prevalence in Spring Bumble Bee Queens (Hymenoptera: Apidae: Bombus ) in Kansas". Journal of the Kansas Entomological Society. 87 (2): 225–233. doi:10.2317/JKES130730.1. hdl:2097/18657. S2CID55303192.
Kwong, Waldan K.; Moran, Nancy A. (1 June 2013). "Cultivation and characterization of the gut symbionts of honey bees and bumble bees: description of Snodgrassella alvi gen. nov., sp. nov., a member of the family Neisseriaceae of the Betaproteobacteria , and Gilliamella apicola gen. nov., sp. nov., a member of Orbaceae fam. nov., Orbales ord. nov., a sister taxon to the order ' Enterobacteriales ' of the Gammaproteobacteria". International Journal of Systematic and Evolutionary Microbiology. 63 (6): 2008–2018. doi:10.1099/ijs.0.044875-0. PMID23041637.
Tripodi, Amber D.; Cibils-Stewart, Ximena; McCornack, Brian P.; Szalanski, Allen L. (April 2014). "Nosema bombi (Microsporidia: Nosematidae) and Trypanosomatid Prevalence in Spring Bumble Bee Queens (Hymenoptera: Apidae: Bombus ) in Kansas". Journal of the Kansas Entomological Society. 87 (2): 225–233. doi:10.2317/JKES130730.1. hdl:2097/18657. S2CID55303192.
harvard.edu
ui.adsabs.harvard.edu
Colla, Sheila R.; Gadallah, Fawziah; Richardson, Leif; Wagner, David; Gall, Lawrence (1 December 2012). "Assessing declines of North American bumble bees (Bombus spp.) using museum specimens". Biodiversity and Conservation. 21 (14): 3585–3595. Bibcode:2012BiCon..21.3585C. doi:10.1007/s10531-012-0383-2. S2CID13056138.
Kissinger, Christina N.; Cameron, Sydney A.; Thorp, Robbin W.; White, Brendan; Solter, Leellen F. (July 2011). "Survey of bumble bee (Bombus) pathogens and parasites in Illinois and selected areas of northern California and southern Oregon". Journal of Invertebrate Pathology. 107 (3): 220–224. Bibcode:2011JInvP.107..220K. doi:10.1016/j.jip.2011.04.008. PMID21545804.
Dorr, Laurence J. (1981). "The Pollination Ecology of Zenobia (Ericaceae)". American Journal of Botany. 68 (10): 1325–1332. doi:10.2307/2442731. JSTOR2442731.
Macior, Lazarus Walter (1966). "Foraging Behavior of Bombus (Hymenoptera: Apidae) in Relation to Aquilegia Pollination". American Journal of Botany. 53 (3): 302–309. doi:10.2307/2439803. JSTOR2439803.
Maehr, David S.; Brady, James R. (1984). "Food Habits of Florida Black Bears". The Journal of Wildlife Management. 48 (1): 230–235. doi:10.2307/3808478. JSTOR3808478.
Kissinger, Christina N.; Cameron, Sydney A.; Thorp, Robbin W.; White, Brendan; Solter, Leellen F. (July 2011). "Survey of bumble bee (Bombus) pathogens and parasites in Illinois and selected areas of northern California and southern Oregon". Journal of Invertebrate Pathology. 107 (3): 220–224. Bibcode:2011JInvP.107..220K. doi:10.1016/j.jip.2011.04.008. PMID21545804.
Kwong, Waldan K.; Moran, Nancy A. (1 June 2013). "Cultivation and characterization of the gut symbionts of honey bees and bumble bees: description of Snodgrassella alvi gen. nov., sp. nov., a member of the family Neisseriaceae of the Betaproteobacteria , and Gilliamella apicola gen. nov., sp. nov., a member of Orbaceae fam. nov., Orbales ord. nov., a sister taxon to the order ' Enterobacteriales ' of the Gammaproteobacteria". International Journal of Systematic and Evolutionary Microbiology. 63 (6): 2008–2018. doi:10.1099/ijs.0.044875-0. PMID23041637.
Colla, Sheila R.; Gadallah, Fawziah; Richardson, Leif; Wagner, David; Gall, Lawrence (1 December 2012). "Assessing declines of North American bumble bees (Bombus spp.) using museum specimens". Biodiversity and Conservation. 21 (14): 3585–3595. Bibcode:2012BiCon..21.3585C. doi:10.1007/s10531-012-0383-2. S2CID13056138.
Payne, C. M.; Laverty, T. M.; Lachance, M. A. (1 November 2003). "The frequency of multiple paternity in bumble bee (Bombus) colonies based on microsatellite DNA at the B10 locus". Insectes Sociaux. 50 (4): 375–378. doi:10.1007/s00040-003-0692-2. S2CID38261887.
Dukas, Reuven; Real, Leslie A. (August 1991). "Learning foraging tasks by bees: a comparison between social and solitary species". Animal Behaviour. 42 (2): 269–276. doi:10.1016/S0003-3472(05)80558-5. S2CID53161274.
Benning, John W. (October 2015). "Odd for an Ericad: Nocturnal Pollination of Lyonia lucida (Ericaceae)". The American Midland Naturalist. 174 (2): 204–217. doi:10.1674/0003-0031-174.2.204. S2CID86085087.
Malfi, Rosemary L.; Roulston, T'Ai H. (February 2014). "Patterns of parasite infection in bumble bees ( Bombus spp.) of Northern Virginia: Parasitism in bumble bees of Virginia". Ecological Entomology. 39 (1): 17–29. doi:10.1111/een.12069. S2CID86392918.
Tripodi, Amber D.; Cibils-Stewart, Ximena; McCornack, Brian P.; Szalanski, Allen L. (April 2014). "Nosema bombi (Microsporidia: Nosematidae) and Trypanosomatid Prevalence in Spring Bumble Bee Queens (Hymenoptera: Apidae: Bombus ) in Kansas". Journal of the Kansas Entomological Society. 87 (2): 225–233. doi:10.2317/JKES130730.1. hdl:2097/18657. S2CID55303192.
uwlax.edu
digitalcollections.uwlax.edu
Medler, John Thomas; Carney, D. W. (1963). "Bombus bimaculatus Cresson". Bumblebees of Wisconsin: (hymenoptera: apidae). Agricultural Experiment Station, University of Wisconsin. pp. 21–22. OCLC1008565077.
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Medler, John Thomas; Carney, D. W. (1963). "Bombus bimaculatus Cresson". Bumblebees of Wisconsin: (hymenoptera: apidae). Agricultural Experiment Station, University of Wisconsin. pp. 21–22. OCLC1008565077.