Alarcón, R. (2010) Congruence between visitation and pollen-transport networks in a California plant-pollinator community. Oikos, 119, 35–44.
Ali, J.G. & Agrawal, A.A. (2012) Specialist versus generalist insect herbivores and plant defense. Trends in Plant Science, 17(5), 293–302.
Ascher, J.S. & Pickering, J. (2020) Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila). http://www.discoverlife.org/mp/20q?guide=Apoidea_species
Beck, H.E., Zimmermann, N.E., McVicar, T.R., Vergopolan, N., Berg, A. & Wood, E.F. (2018) Present and future Köppen-Geiger climate classification maps at 1-km resolution. Scientific Data, 5, 180214, https://doi.org/10.1038/sdata.2018.214
Biesmeijer, J.C., Roberts, S.P., Reemer, M., Ohlemüller, R., Edwards, M., Peeters, T. et al. (2006) Parallel declines in pollinators and insect-pollinated plants in Britain and the Netherlands. Science, 313(5785), 351–354.
Bommarco, R., Biesmeijer, J.C., Meyer, B., Potts, S.G., Pöyry, J., Roberts, S.P. et al. (2010) Dispersal capacity and diet breadth modify the response of wild bees to habitat loss. Proceedings of the Royal Society B, 277(1690), 2075–2082.
Boyle, W.A., Conway, C.J. & Bronstein, J.L. (2011) Why do some, but not all, tropical birds migrate? A comparative study of diet breadth and fruit preference. Evolutionary Ecology, 25(1), 219–236.
Brady, S.G., Sipes, S., Pearson, A. & Danforth, B.N. (2006) Recent and simultaneous origins of eusociality in halictid bees. Proceedings of the Royal Society B, 273, 1643–1649.
Brochu, K.K., van Dyke, M.T., Milano, N.J., Petersen, J.D., McArt, S.H., Nault, B.A. et al. (2020) Pollen defenses negatively impact foraging and fitness in a generalist bee (Bombus impatiens: Apidae). Scientific Reports, 10, 3112.
Bronstein, J.L. (1994) Our current understanding of mutualism. The Quarterly Review of Biology, 69(1), 31–51.
Burkle, L.A. & Alarcón, R. (2011) The future of plant-pollinator diversity: understanding interaction networks across time, space, and global change. American Journal of Botany, 98, 528–538.
Burkle, L.A., Marlin, J.C. & Knight, T.M. (2013) Plant-pollinator interactions over 120 years: loss of species, co-occurrence, and function. Science, 339(6127), 1611–1615.
CaraDonna, P.J., Petry, W.K., Brennan, R.M., Cunningham, J.L., Bronstein, J.L., Waser, N.M. et al. (2017) Interaction rewiring and the rapid turnover of plant-pollinator networks. Ecology Letters, 20, 385–394.
Danforth, B.N., Minckley, R.L. & Neff, J.L. (2019) The solitary bees: biology, evolution, conservation. Princeton University Press, p. 418.
Desharnais, B., Camirand-Lemyre, F., Mireault, P. & Skinner, C.D. (2015) Determination of confidence intervals in non-normal data: application of the bootstrap to cocaine concentration in femoral blood. Journal of analytical toxicology, 39(2), 113–117.
deVries, M.S. (2017) The role of feeding morphology and competition in governing the diet breadth of sympatric stomatopod crustaceans. Biology Letters, 13(4), 20170055.
Dorado, J., Vázquez, D.P., Stevani, E.L. & Chacoff, N.P. (2011) Rareness and specialization in plant-pollinator networks. Ecology, 92, 19–25.
Else, G.R. & Edwards, M. (2018) Handbook of the bees of the British Isles, 180, London, UK: Ray Society Monographs, p. 775.
Forister, M.L., Novotny, V., Panorska, A.K., Baje, L., Basset, Y., Butterill, P.T. et al. (2015) The global distribution of diet breadth in insect herbivores. Proceedings of the National Academy of Sciences, 112(2), 442–447.
Garibaldi, L.A., Steffan-Dewenter, I., Winfree, R., Aizen, M.A., Bommarco, R., Cunningham, S.A. et al. (2013) Wild pollinators enhance fruit set of crops regardless of honey bee abundance. Science, 339(6127), 1608–1611.
Hunter, M. (2016) The phytochemical landscape: linking trophic interactions and nutrient dynamics. Princeton University Press, p. 376.
Jordano, P. (2016) Sampling networks of ecological interactions. Functional Ecology, 30, 1883–1893.
Julliard, R., Clavel, J., Devictor, V., Jiguet, F. & Couvet, D. (2006) Spatial segregation of specialists and generalists in bird communities. Ecology Letters, 9, 1237–1244.
Kartzinel, T.R., Chen, P.A., Coverdale, T.C., Erickson, D.L., Kress, W.J., Kuzmina, M.L. et al. (2015) DNA metabarcoding illuminates dietary niche partitioning by African large herbivores. Proceedings of the National Academy of Sciences, 112(26), 8019–8024.
King, C., Ballantyne, G. & Willmer, P.G. (2013) Why flower visitation is a poor proxy for pollination:measuring single-visit pollen deposition, with implications for pollination networks and conservation. Methods in Ecology and Evolution, 4, 811–818.
Lopezaraiza-Mikel, M.E., Hayes, R.B., Whalley, M.R. & Memmott, J. (2007) The impact of an alien plant on a native plant–pollinator network: an experimental approach. Ecology letters, 10(7), 539–550.
MacArthur, R.H. & Pianka, E.R. (1966) On optimal use of a patchy environment. The American Naturalist, 100(916), 603–609.
Moldenke, A.R. (1979) The role of host-plant selection in bee speciation processes. Phytologia, 43, 433–460.
Resende, E.L., Lavabre, J.E., Guimarães, P.R., Jordano, P. & Bascompte, J. (2007) Non-random coextinctions in phylogenetically structured mutualistic networks. Nature, 448, 925–928.
Robinson, B.W. & Wilson, D.S. (1998) Optimal foraging, specialization, and a solution to Liem’s paradox. The American Naturalist, 151, 223–235.
Stace, C. (2010) New flora of the British Isles, 3rd edition. Cambridge, UK: Cambridge University Press, p. 1232.
Svanbäck, R. & Bolnik, D.I. (2007) Intraspecific competition drives increased resource use diversity within a natural population. Proceedings of the Royal Society B, 274(1161), 839–844.
Thompson, J. (1998) (1998) Rapid evolution as an ecological process. Trends in Ecology and Evolution, 13(8), 329–332.
Valdovinos, F.S., Brosi, B.J., Briggs, H.M., Moisset de Espanés, P., Ramos-Jiliberto, R. & Martinez, N.D. (2016) Niche partitioning due to adaptive foraging reverses effects of nestedness and connectance on pollination network stability. Ecology Letters, 19, 1277–1286.
Valdovinos, F.S., Moisset de Espanés, P., Flores, J.D. & Ramos-Jiliberto, R. (2013) Adaptive foraging allows the maintenance of biodiversity of pollination networks. Oikos, 122(6), 907–917.
Voss, E.G. & Reznicek, A.A. (2012) Field manual of Michigan flora. Ann Arbor, USA: University of Michigan Press.
Wang, X.-Y., Tang, J., Wu, T., Wu, D. & Huang, S.-Q. (2019) Bumblebee rejection of toxic pollen facilitates pollen transfer. Current Biology, 29, 1401–1406.
Waser, N.M., Chittka, L., Price, M.V., Williams, N.M. & Ollerton, J. (1996) Generalization in pollination systems, and why it matters. Ecology, 77(4), 1043–1060.
Westerkamp, C. (1996) Pollen in bee–flower relations. Some considerations on melittophily. Botanica Acta, 109, 325–332.
Westrich, P.H. (1989) Die Wildbienen Baden-Wuirttembergs. Volumes I and II. Stuttgart, Germany: Ulmer Verlag.
Williams, N.M., Minckley, R.L. & Silveira, F.A. (2001) Variation in native bee communities and its implications for detecting community changes. Conservation Ecology, 5, 7.
Wood, T.J., Gibbs, J., Graham, K.K. & Isaacs, R. (2019) Narrow pollen diets are associated with declining Midwestern bumble bee species. Ecology, 100(6), e02697.
Wood, T.J. & Roberts, S.P.M. (2018) Constrained patterns of pollen use in Nearctic Andrena (Hymenoptera: Andrenidae) compared with their Palaearctic counterparts. Biological Journal of the Linnean Society, 124, 732–746.