A review of 250 years of South African bee taxonomy and exploration (Hymenoptera: Apoidea: Anthophila)

REFERENCES

• API 2003. Plan of Action of the African Pollinator Initiative. Rome, FAO.
   Google Scholar
• Ascher, J.S. & Pickering, J. 2018. Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila). https://www.discoverlife.org/mp/20q?search = Apoidea
   Google Scholar
• Atlas of African Lepidoptera. Lepimap. http://lepimap.adu.org.za/ (accessed 15 October 2018).
   Google Scholar
• Audisio, P. 2017. Insect taxonomy, biodiversity research and the new taxonomic impediments. Fragmenta Entomologica 49: 121–124. doi: 10.4081/fe.2017.252
   Google Scholar
• Bartomeus, I., Stavert, J.R., Ward, D. & Aguado, O. 2018. Historic collections as a tool for assessing the global pollinator crisis. Philosophical Transactions of the Royal Society B Biological Sciences 19: 1763. doi: 10.1098/rstb.2017.0389
   Web of Science ®Google Scholar
• Bees, Wasps & Ants Recording Society. http://www.bwars.com/ (accessed 15 October 2018).
   Google Scholar
• Benson, D.A., Cavanaugh, M., Clark, K., Karsch-Mizrachi, I., Lipman, D.J., Ostell, J. & Sayers, E.W. 2013. GenBank. Nucleic Acids Research 41: D36–D42. doi: 10.1093/nar/gks1195
   PubMed Web of Science ®Google Scholar
• Biesmeijer, J.C., Roberts, S.P.M., Reemer, M., Ohlemüller, R., Edwards, M., Peeters, T., Schaffers, A.P., Potts, S.G., Kleukers, R., Thomas, C.D., Settele, J. & Kunin, W.E. 2006. Parallel declines in pollinators and insect-pollinated plants in Britain and the Netherlands. Science 313: 351–354. doi: 10.1126/science.1127863
   PubMed Web of Science ®Google Scholar
• Braschler, B. 2018. The world of southern African ants made accessible. South African Journal of Science 114: 11.
   PubMed Web of Science ®Google Scholar
• Carman, G.M. & Packer, L. 1996. A cryptic species allied to Halictus ligatus Say (Hymenoptera: Halictidae) detected by allozyme. Journal of the Kansas Entomological Society 69: 168–176.
   Web of Science ®Google Scholar
• Carvalheiro, L.G., Seymour, C., Veldtman, R. & Nicolson, S.W. 2010. Pollination services decline with distance from natural habitat even in biodiversity-rich areas. Journal of Applied Ecology 47: 810–820. doi: 10.1111/j.1365-2664.2010.01829.x
   Web of Science ®Google Scholar
• Chamberlain, S. 2017. bold: Interface to Bold Systems API. R package version 0.5.0.
   Google Scholar
• Chown, S.L. & McGeoch, M.A. 1995. South-African terrestrial zoology – strengths, weaknesses and opportunities. South African Journal of Science 91: 189–196.
   Web of Science ®Google Scholar
• Colville, J.F., Potts, A.J., Bradshaw, P.L., Measey, G.J., Snijman, D., Picker, M.D., Proche, Ş.Ş., Bowie, R.C.K. & Manning, J.C. 2014. Floristic and faunal Cape biochoria: do they exist? In Allsopp, N., Colville, J.F. & Verboom, G.A. (Eds), Fynbos Ecology, Evolution and Conservation of a Megadiverse Region. Oxford, Oxford University Press. pp. 73–92.
   Google Scholar
• Danforth, B.N., Mitchell, P.L. & Packer, L. 1998. Mitochondrial DNA differentiation between two cryptic Halictus (Hymenoptera: Halictidae) species. Annals of the Entomological Society of America 91: 387–391. doi: 10.1093/aesa/91.4.387
   Web of Science ®Google Scholar
• Danforth, B.N., Sipes, S., Fang, J. & Brady, S.G. 2006. The history of early bee diversification based on five genes plus morphology. Proceedings of the National Academy of Sciences of the United States of America 103: 15118–15123. doi: 10.1073/pnas.0604033103
   PubMed Web of Science ®Google Scholar
• Danforth, B.N., Cardinal, S., Praz, C., Almeida, E.A.B. & Michez, D. 2013. The impact of molecular data on our understanding of bee phylogeny and evolution. Annual Review of Entomology 58: 57–78. doi: 10.1146/annurev-ento-120811-153633
   PubMed Web of Science ®Google Scholar
• Dathe, H.H. 2015. Studies on the systematics and taxonomy of the genus Hylaeus F. (8) New descriptions and records of Asian Hylaeus species (Hymenoptera: Anthophila, Colletidae). Beitraege zur Entomologie 65: 223–238.
   Google Scholar
• de Carvalho, M.R., Bockmann, F.A., Amorim, D.S., de Vivo, M., de Toledo-Piza, M., Menezes, N.A., de Figueiredo, J.L., Castro, R.M., Gill, A.C., McEachran, J.D., Compagno, L.J.V., Schelly, R.C., Britz, R., Lundberg, J.G., Vari, R.P. & Nelson, G. 2005. Revisiting the taxonomic impediment. Science 307: 353.
   PubMed Web of Science ®Google Scholar
• de Carvalho, M.R., Bockmann, F.A., Amorim, D.S., Brandão, C.R. F., de Vivo, M., de Figueiredo, J.L., Britski, H.A., de Pinna, M.C.C., Menezes, N.A., Marques, F.P.L., Papavero, N., Cancello, E.M., Crisci, J.V., McEachran, J.D., Schelly, R.C., Lundberg, J.D., Gill, A.C., Britz, R., Wheeler, Q.D., Stiassny, M.L.J., Parenti, L.R., Page, L.M., Wheeler, W.C., Faivovich, J., Vari, R.P., Grande, L., Humphries, C.J., Desalle, R., Ebach, M.C., Nelson, G. J. 2007. Taxonomic impediment or impediment to taxonomy? A commentary on systematics and the cybertaxonomic-automation paradigm. Evolutionary Biology 34: 140–143. doi: 10.1007/s11692-007-9011-6
   Web of Science ®Google Scholar
• de Moor, F. 2004. Fred & Sarah Gess – A formidable team. Rostrum 64: 3.
   Google Scholar
• Dick, M., Bridge, D.M., Wheeler, W.C. & DeSalle, R. 1993. Collection and storage of invertebrate samples. Methods in Enzymology 224: 51–65. doi: 10.1016/0076-6879(93)24005-F
   PubMed Web of Science ®Google Scholar
• Dijkstra, K.-D.B., Boudot, J.-P., Clausnitzer, V., Kipping, J., Kisakye, J.J., Ogbogu, S.S., Samraoui, B., Samways, M.J., Schütte, K., Simaika, J.P., Suhling, F. & Tchibozo, S.L. 2011. Dragonflies and damselflies of Africa (Odonata): history, diversity, distribution and conservation. In Darwall, W., Smith, K., Allen, D., Holland, R., Harrison, I. & Brooks, E. (Eds), The Diversity of Life in African Freshwaters: Underwater, Under threat. An Analysis of the Status and Distribution of Freshwater Species throughout Mainland Africa. Gland and Cambridge, IUCN. pp. 128–177.
   Google Scholar
• Dillon, N., Austin, A.D. & Bartowsky, E. 1996. Comparison of preservation techniques for DNA extraction from hymenopterous insects. Insect Molecular Biology 5: 21–24. doi: 10.1111/j.1365-2583.1996.tb00036.x
   PubMed Web of Science ®Google Scholar
• Eardley, C.D. 1989. Diversity and endemism of southern African bees. Plant Protection News 18: 1–2.
   Google Scholar
• Eardley, C.D. 2012. A taxonomic revision of the southern African species of dauber bees in the genus Megachile Latreille (Apoidea: Megachilidae). Zootaxa 139: 1–139. doi: 10.11646/zootaxa.3159.1.1
   Google Scholar
• Eardley, C.D. 2013. A taxonomic revision of the southern African leaf-cutter bees, Megachile Latreille sensu stricto and Heriadopsis Cockerell (Hymenoptera: Apoidea: Megachilidae). Zootaxa 3601: 1–133. doi: 10.11646/zootaxa.3601.1.1
   PubMed Web of Science ®Google Scholar
• Eardley, C.D. 2018. Taxonomic revision of the sub-Saharan Anthidiellum Cockerell (Apoidea: Megachilidae: Anthidiini). Zootaxa 4402: 201–250. doi: 10.11646/zootaxa.4402.2.1
   PubMed Web of Science ®Google Scholar
• Eardley, C.D. & Coetzer, W. 2016. Catalogue of Afrotropical Bees. Version 1.6., https://doi.org/10.15468/u9ezbh (accessed via GBIF.org on 7 August 2018).
   Google Scholar
• Eardley, C.D. & Griswold, T.L. 2015. Taxonomic revision of Plesianthidium Cameron (Apoidea: Megachilidae: Anthidiini), an endemic southern African bee genus. Zootaxa 3973: 1–56. doi: 10.11646/zootaxa.3973.1.1
   PubMed Web of Science ®Google Scholar
• Eardley, C.D. & Griswold, T.L. 2016. Taxonomic revision of the Afrotropical bee genus Serapista Cockerell (Hymenoptera: Apoidea: Megachilidae: Megachilinae: Anthidiini). Zootaxa 4111: 334–364. doi: 10.11646/zootaxa.4111.4.2
   PubMed Web of Science ®Google Scholar
• Eardley, C.D. & Griswold, T.L. 2017. Taxonomic revision of the Afrotropical species of Pachyanthidium Friese (Hymenoptera: Megachilidae: Anthidiini). Zootaxa 4237: 401–453. doi: 10.11646/zootaxa.4237.3.1
   Web of Science ®Google Scholar
• Eardley, C.D. & Griswold, T.L. 2018. Taxonomic revision of Cyphanthidium Pasteels (Hymenoptera: Apoidea: Megachilidae: Megachilinae: Anthidiini), an endemic Afrotropical bee genus. Zootaxa 4450: 26–40. doi: 10.11646/zootaxa.4450.1.2
   PubMed Web of Science ®Google Scholar
• Eardley, C.D. & Urban, R. 2010. Catalogue of Afrotropical bees (Hymenoptera: Apoidea: Apiformes). Zootaxa 2455: 1–548. doi: 10.11646/zootaxa.2455.1.1
   Google Scholar
• Eardley, C.D., Gikungu, M. & Schwarz, M.P. 2009. Bee conservation in sub-Saharan Africa and Madagascar: diversity, status and threats. Apidologie 40: 355–366. doi: 10.1051/apido/2009016
   Web of Science ®Google Scholar
• Eardley, C.D., Kuhlmann, M. & Pauly, A. 2010. The Bee Genera and Subgenera of sub-Saharan Africa. Volume 7. Abc Taxa.
   Google Scholar
• Ebach, M.C., Valdecasas, A.G. & Wheeler, Q.D. 2011. Impediments to taxonomy and users of taxonomy: Accessibility and impact evaluation. Cladistics 27: 550–557. doi: 10.1111/j.1096-0031.2011.00348.x
   PubMed Web of Science ®Google Scholar
• Edwards, D. & Leistner, E.D. 1971. A degree reference system for citing biological records in southern Africa. Mitteilungen der botanischen Staatssammlung München 10: 501–509.
   Google Scholar
• Feckler, A., Zubrod, J.P., Thielsch, A., Schwenk, K., Schulz, R. & Bundschuh, M. 2014. Cryptic species diversity: An overlooked factor in environmental management? Journal of Applied Ecology 51: 958–967. doi: 10.1111/1365-2664.12246
   Web of Science ®Google Scholar
• G.M.W. 1913. Obituary: Peter Cameron. Entomologist’s Monthly Magazine 24: 20–21.
   Google Scholar
• Gangwani, K., & Landin, J. 2018. The decline of insect representation in biology textbooks over time. American Entomologist 64: 252–257. doi: 10.1093/ae/tmy064
   Google Scholar
• Garibaldi, L.A., Steffan-Dewenter, I., Winfree, R., Aizen, M.A., Bommarco, R., Cunningham, S.A., Kremen, C., Carvalheiro, L.G., Harder, L.D., Afik, O., Bartomeus, I., Benjamin, F., Boreux, V., Cariveau, D.P., Chacoff, N.P., Dudenhöffer, J.-H., Freitas, B.M., Ghazoul, J., Greenleaf, S.S., Hipólito, J., Holzschuh, A., Howlett, B.G., Isaacs, R., Javorek, S.K., Kennedy, C.M., Krewenka, K., Krishnan, S., Mandelik, Y., Mayfield, M.M., Motzke, I., Munyuli, T., Nault, B.A., Otieno, M., Petersen, J., Pisanty, G., Potts, S.G., Rader, R., Ricketts, T.H., Rundlöf, M., Seymour, C., Schüepp, C., Szentgyörgyi, H., Taki, H., Tscharntke, T., Vergara, C.H., Viana, B.F., Wanger, T.C., Westphal, C., Williams, N.M. & Klein, A.M. 2013. Wild pollinators enhance fruits set of crops regardless of honey bee abundance. Science 339: 1608–1611. doi: 10.1126/science.1230200
   PubMed Web of Science ®Google Scholar
• GEMMILL-Herren, B., Aidoo, K., Kwapong, P., Martins, D., Kinuthia, W., Gikungu, M. & Eardley, C.D. 2014. Priorities for research and development in the management of pollination services for agriculture in Africa. Journal of Pollination Ecology 12: 40–51.
   Google Scholar
• Gess, F.W. & Gess, S.K. 1993. Effects of increasing land utilization on species representation and diversity of aculeate wasps and bees in the semi-arid areas of southern Africa. In Laselle, J. & Gauld, I. (Eds), Hymenoptera and Biodiversity. Wallingford, CAB International. pp. 83–113.
   Google Scholar
• Gess, S.K. & Gess, F.W. 2014. Wasps and Bees in southern Africa. SANBI Biodiversity Series 24.
   Google Scholar
• Godfray, H.C.J. 2002. Challenges for taxonomy. Nature 417: 17–19. doi: 10.1038/417017a
   PubMed Web of Science ®Google Scholar
• Goldblatt, P. & Manning, J.C. 2006. Radiation of pollination systems in the Iridaceae of sub-Saharan Africa. Annals of Botany 97: 317–344. doi: 10.1093/aob/mcj040
   PubMed Web of Science ®Google Scholar
• Goldblatt, P., Manning, J.C. & Bernhardt, P. 2001. Radiation of pollination systems in Gladiolus (Iridaceae: Crocoideae) in southern Africa. Annals of the Missouri Botanical Garden 88: 713–734. doi: 10.2307/3298641
   Web of Science ®Google Scholar
• Hallmann, C., Sorg, M., Jongejans, E., Siepel, H., Hofland, N., Schwan, H., Stenmans, W., Muller, A., Sumser, H., Horren, T., Goudlson, D. & de Kroon, H. 2017. More than 75 percent decline over 27 years in total flying insect biomass in protected areas. PLoS One 12: e0185809.
   PubMed Web of Science ®Google Scholar
• Hamer, M. 2012. An assessment of zoological research collections in South Africa. South African Journal of Science 108: 1–11. doi: 10.4102/sajs.v108i11/12.1090
   Web of Science ®Google Scholar
• Hamer, M. 2013a. A National Strategy for Zoological Taxonomy (2013–2020). Pretoria, South African National Biodiversity Institute.
   Google Scholar
• Hamer, M. 2013b. Review of the current status of animal taxonomy in South Africa. In Victor, J. E., Hamer, M. L. & Smith, G. F. (Eds), A Biosystematics Research Strategy for the Algae, Animals, Bacteria and Archaea, Fungi and Plants of South Africa 2013–2018. SANBI Biodiversity Series 23. Pretoria, SANBI. pp. 11–17.
   Google Scholar
• Hedtke, S.M., Patiny, S. & Danforth, B.N. 2013. The bee tree of life: a supermatrix approach to apoid phylogeny and biogeography. BMC Evolutionary Biology 13: 138.
   PubMed Web of Science ®Google Scholar
• Hogendoorn, K., Stevens, M. & Leijs, R. 2015. DNA barcoding of euryglossine bees and the description of new species of Euhesma Michener (Hymenoptera, Colletidae, Euryglossinae). ZooKeys 520: 41–59. doi: 10.3897/zookeys.520.6185
   Web of Science ®Google Scholar
• Huber, J.T. 1998. The importance of voucher specimens, with practical guidelines for preserving specimens of the major invertebrate phyla for identification. Journal of Natural History 32: 367–385. doi: 10.1080/00222939800770191
   Web of Science ®Google Scholar
• iNaturalist. http://www.inaturalist.org (accessed 18 October 2018).
   Google Scholar
• IPBES 2016. The assessment report on pollinators, pollination and food production of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services. Bonn, p. 552.
   Google Scholar
• Joppa, L.N., Roberts, D.L., Myers, N. & Pimm, S.L. 2011a. Biodiversity hotspots house most undiscovered plant species. Proceedings of the National Academy of Sciences 108: 13171–13176. doi: 10.1073/pnas.1109389108
   PubMed Web of Science ®Google Scholar
• Joppa, L.N., Roberts, D.L. & Pimm, S.L. 2011b. The population ecology and social behaviour of taxonomists. Trends in Ecology and Evolution 26: 551–553. doi: 10.1016/j.tree.2011.07.010
   PubMed Web of Science ®Google Scholar
• Joppa, L.N., Roberts, D.L. & Pimm, S.L. 2011c. How many species of flowering plants are there? Proceedings of the Royal Society B: Biological Sciences 278: 554–559. doi: 10.1098/rspb.2010.1004
   PubMed Web of Science ®Google Scholar
• Joppa, L.N., Roberts, D.L. & Pimm, S.L. 2012. Taxonomy that matters: Response to Bacher. Trends in Ecology and Evolution 27: 66. doi: 10.1016/j.tree.2011.11.015
   PubMed Web of Science ®Google Scholar
• Kearns, C.A. & Inouye, D.W. 1997. Pollinators, flowering plants, and conservation biology. BioScience 47: 297–307. doi: 10.2307/1313191
   Web of Science ®Google Scholar
• Kemp, C. 2015. Museums: The endangered dead. Nature 518: 292–294. doi: 10.1038/518292a
   PubMed Web of Science ®Google Scholar
• Klein, A.M., Vaissiere, B.E., Cane, J.H., Steffan-Dewenter, I., Cunningham, S.A., Kremen, C. & Tscharntke, T. 2007. Importance of pollinators in changing landscapes for world crops. Proceedings of the Royal Society B: Biological Sciences 274: 303–13. doi: 10.1098/rspb.2006.3721
   PubMed Web of Science ®Google Scholar
• Kuhlmann, M. 2005. Diversity, distribution patterns and endemism of southern African bees (Hymenoptera: Apoidea). In Huber, B.A., Sinclair, B.J. & Lampe, K.H. (Eds), African Biodiversity: Molecules, Organisms, Ecosystems. SpringerLink. pp. 167–172.
   Google Scholar
• Kuhlmann, M. 2009. Patterns of diversity, endemism and distribution of bees (Insecta: Hymenoptera: Anthophila) in southern Africa. South African Journal of Botany 75: 726–738. doi: 10.1016/j.sajb.2009.06.016
   Web of Science ®Google Scholar
• Kuhlmann, M. 2012. Revision of the South African endemic bee genus Redivivoides Michener, 1981 (Hymenoptera: Apoidea: Melittidae). European Journal of Taxonomy 34: 1–34.
   Google Scholar
• Kuhlmann, M., Gess, F.W., Koch, F. & Gess, S.K. 2011. Southern African osmiine bees: taxonomic notes, two new species, a key to Wainia, and biological observations (Hymenoptera: Anthophila: Megachilidae). Zootaxa 3108: 1–24. doi: 10.11646/zootaxa.3108.1.1
   Google Scholar
• Linnaeus, C. 1767. Systema Naturae. Stockholm, Laurentii Salvii.
   Google Scholar
• Litman, J.R., Danforth, B.N., Eardley, C.D. & Praz, C.J. 2011. Why do leafcutter bees cut leaves? New insights into the early evolution of bees. Proceedings of the Royal Society B: Biological Sciences 278: 3593–3600. doi: 10.1098/rspb.2011.0365
   PubMed Web of Science ®Google Scholar
• Litman, J.R., Eardley, C.D. & Kuhlmann, M. 2016. A new species of Fidelia Friese, 1899 (Hymenoptera, Megachilidae), with a key to the species of the genus. European Journal of Taxonomy 174: 1–18.
   Web of Science ®Google Scholar
• Mckendrick, L., Provan, J., Fitzpatrick, Ú., Brown, M.J.F., Murray, T.E., Stolle, E. & Paxton, R.J. 2017. Microsatellite analysis supports the existence of three cryptic species within the bumble bee Bombus lucorum sensu lato. Conservation Genetics 18: 573–584. doi: 10.1007/s10592-017-0965-3
   Web of Science ®Google Scholar
• McLean, B.S., Bell, K.C., Dunnum, J.L., Abrahamson, B., Colella, J.P., Deardorff, E.R., Weber, J.A., Jones, A.K., Salazar-Miralles, F. & Cook, J.A. 2016. Natural history collections-based research: Progress, promise, and best practices. Journal of Mammalogy 97: 287–297. doi: 10.1093/jmammal/gyv178
   PubMed Web of Science ®Google Scholar
• Maurer, D. 2000. The dark side of Taxonomic Sufficiency (TS). Marine Pollution Bulletin 40: 98–101. doi: 10.1016/S0025-326X(99)00235-0
   Web of Science ®Google Scholar
• Mecenaro, S., Ball, J.B., Edge, D.A., Hamer, M.L., Henning, G.A., Kruger, M., Pringle, E.L., Terblanche, R.F. & Williams, M.C. 2013. Conservation assessment of butterflies of South Africa, Lesotho and Swaziland: Red List And Atlas. South Africa, Saftronics and the Animal Demography Unit of the University of Cape Town.
   Google Scholar
• Melin, A., Rouget, M., Midgley, J. & Donaldson, J. 2014. Pollination ecosystem services in South African agricultural systems. South African Journal of Science 110: 25–33. doi: 10.1590/sajs.2014/20140078
   Web of Science ®Google Scholar
• Melin, A., Rouget, M., Colville, J.F., Midgley, J.J. & Donaldson, J.S. 2018. Assessing the role of dispersed floral resources for managed bees in providing supporting ecosystem services for crop pollination. PeerJ 6: e5654.
   Google Scholar
• Michener, C.D. 2007. The Bees of the World, 2nd edn. Baltimore, MD, Johns Hopkins Press.
   Google Scholar
• Morley, C. 1913. Peter Cameron. Entomologist 46: 24.
   Google Scholar
• Murray, T.E., Fitzpatrick, Ú., Brown, M.J.F. & Paxton, R.J. 2008. Cryptic species diversity in a widespread bumble bee complex revealed using mitochondrial DNA RFLPs. Conservation Genetics 9: 653–666. doi: 10.1007/s10592-007-9394-z
   Web of Science ®Google Scholar
• Neff, J.L. & Simpson, B.B. 1993. Bees, pollination systems and plant diversity. In LaSalle, J. & Gauld, I.D. (Eds), Hymenoptera and Biodiversity. Wallington, CAB International. pp. 143–167.
   Google Scholar
• Nieto, A., Roberts, S.P.M., Kemp, J., Rasmont, P., Kuhlmann, M., Criado, M.G., Biesmeijer, J.C., Bogusch, P., Dathe, H.H., Rúa, P.D. la, Meulemeester, T. de, Dehon, M., Dewulf, A., Ortiz-Sánchez, F.J., Lhomme, P., Pauly, A., Potts, S.G., Praz, C., Quaranta, M., Radchenko, V.G., Scheuchl, E., Smit, J., Straka, J., Terzo, M., Tomozii, B., Window, J. & Michez, D. 2015. European Red List of Bees. Luxembourg, Publication Office of the European Union.
   Google Scholar
• Ollerton, J., Winfree, R. & Tarrant, S. 2011. How many flowering plants are pollinated by animals? Oikos 120: 321–326. doi: 10.1111/j.1600-0706.2010.18644.x
   Web of Science ®Google Scholar
• Onuferko, T.M. 2018. A revision of the cleptoparasitic bee genus Epeolus Latreille for nearctic species, north of Mexico (Hymenoptera, Apidae). ZooKeys 2018: 1–185. doi: 10.3897/zookeys.755.23939
   Web of Science ®Google Scholar
• Packer, L., Gibbs, J., Sheffield, C.S. & Kevan, P. 2008. Barcoding the bees of the world. Anais do VIII Encontro Sobre Abelhas. Biodiversidade e Uso Sustentado de Abelhas, pp. 276–282.
   Google Scholar
• Packer, L., Gibbs, J., Sheffield, C.S. & Hanner, R. 2009a. DNA barcoding and the mediocrity of morphology. Molecular Ecology Resources 9: 42–50. doi: 10.1111/j.1755-0998.2009.02631.x
   PubMed Web of Science ®Google Scholar
• Packer, L., Sheffield, C.S., Gibbs, J., de Silva, N., Best, L.R., Ascher, J., Ayala, R., Martins, D., Roberts, S.P.M., Tadauchi, O., Kuhlmann, M., Williams, P.H., Eardley, C.D., Droege, S. & Levchenko, T. V. 2009b. The campaign to barcode the bees of the world: progress, problems, prognosis. In C.L. Yurrita (Ed.), Memorias VI Congreso Mesoamericano sobre Abejas Nativas, Universidad de San Carlos de Guatemala, Centro de Estudios Conservacionistas, Guatemala. pp.178–180.
   Google Scholar
• Pauly, A. 2014. Les Abeilles des Graminées ou Lipotriches Gerstaecker, 1858, sensu stricto (Hymenoptera: Apoidea: Halictidae: Nomiinae) de l’Afrique subsaharienne. Belgian Journal of Entomology 20: 1–393.
   Google Scholar
• Pauly, A. & Eardley, C.D. 2013. A revision of Afrotropical Thrinchostoma de Saussure, 1980 (Hymenoptera: Apoidea: Halictidae). Belgian Journal of Entomology 12: 1–76.
   Google Scholar
• Pauw, A., Kahnt, B., Kuhlmann, M., Michez, D., Montgomery, G.A., Murray, E. & Danforth, B.N. 2017. Long-legged bees make adaptive leaps: linking adaptation to coevolution in a plant–pollinator network. Proceedings of the Royal Society B: Biological Sciences 284: doi: 10.1098/rspb.2017.1707.
   PubMed Web of Science ®Google Scholar
• Paxton, R. 2015. The bee-all and end-all. Nature 521: S57–S59. doi: 10.1038/521S57a
   PubMed Web of Science ®Google Scholar
• Pearson, D.L., Hamilton, A.L. & Erwin, T.L. 2011. Recovery plan for the endangered taxonomy profession. BioScience 61: 58–63. doi: 10.1525/bio.2011.61.1.11
   Web of Science ®Google Scholar
• Potts, S.G., Biesmeijer, J.C., Kremen, C., Neumann, P., Schweiger, O. & Kunin, W.E. 2010. Global pollinator declines: trends, impacts and drivers. Trends in Ecology & Evolution 25: 345–353. doi: 10.1016/j.tree.2010.01.007
   PubMed Web of Science ®Google Scholar
• Prinsloo, G.L. 1989. Insect identification services in South Africa. Proceedings of the 7th Congress organised by the Entomological Society of southern Africa, Pietermaritzburg, 10–13 July 1989. p. 107.
   Google Scholar
• Rasmussen, C. 2012. Joseph Vachal (1838–1911): French entomologist and politician. Zootaxa 52: 1–52.
   Google Scholar
• Rasmussen, C. & Ascher, J.S. 2008. Heinrich Friese (1860–1948): Names proposed and notes on a pioneer melittologist (Hymenoptera, Anthophila). Zootaxa 1833: 1–118.
   Google Scholar
• Ratnasingham, S. & Hebert, P.D.N. 2007. BOLD: The barcode of life data system (www.barcodinglife.org). Molecular Ecology Notes 7: 355–364. doi: 10.1111/j.1471-8286.2007.01678.x
   PubMed Web of Science ®Google Scholar
• Robertson, H. 1994. Systematics agenda 2000. Rostrum. Newsletter of the Entomological Society of Southern Africa No. 38.
   Google Scholar
• Robertson, H.G. & Cochrane, M. 2005. Obituary: Vincent Booth Whitehead (2 September 1921–11 April 2005). African Entomology 13: 386–389.
   Web of Science ®Google Scholar
• Rocha, L.A., Aleixo, A., Allen, G., Almeda, F., Baldwin, C.C., Barclay, M.V.L., Bates, J.M., Bauer, A.M., Benzoni, F., Berns, C.M., Berumen, M.L., Blackburn, D.C., Blum, S., Bolaños, F., Bowie, R.C.K., Britz, R., Brown, R.M., Cadena, C.D., Carpenter, K., Ceríaco, L.M., Chakrabarty, P., Chaves, G., Choat, J.H., Clements, K.D., Collette, B.B., Collins, A., Coyne, J., Cracraft, J., Daniel, T., de Carvalho, M.R., de Queiroz, K., di Dario, F., Drewes, R., Dumbacher, J.P., Engilis, A., Erdmann, M. V., Eschmeyer, W., Feldman, C.R., Fisher, B.L., Fjeldså, J., Fritsch, P.W., Fuchs, J., Getahun, A., Gill, A., Gomon, M., Gosliner, T., Graves, G.R., Griswold, C.E., Guralnick, R., Hartel, K., Helgen, K.M., Ho, H., Iskandar, D.T., Iwamoto, T., Jaafar, Z., James, H.F., Johnson, D., Kavanaugh, D., Knowlton, N., Lacey, E., Larson, H.K., Last, P., Leis, J.M., Lessios, H., Liebherr, J., Lowman, M., Mahler, D.L., Mamonekene, V., Matsuura, K., Mayer, G.C., Mays, H., McCosker, J., McDiarmid, R.W., McGuire, J., Miller, M.J., Mooi, R., Mooi, R.D., Moritz, C., Myers, P., Nachman, M.W., Nussbaum, R.A., Foighil, D.Ó., Parenti, L.R., Parham, J.F., Paul, E., Paulay, G., Pérez-Eḿan, J., Pérez-Matus, A., Poe, S., Pogonoski, J., Rabosky, D.L., Randall, J.E., Reimer, J.D., Robertson, D.R., Rödel, M.O., Rodrigues, M.T., Roopnarine, P., Rüber, L., Ryan, M.J., Sheldon, F., Shinohara, G., Short, A., Simison, W.B., Smith-Vaniz, W.F., Springer, V.G., Stiassny, M., Tello, J.G., Thompson, C.W., Trnski, T., Tucker, P., Valqui, T., Vecchione, M., Verheyen, E., Wainwright, P.C., Wheeler, T.A., White, W.T., Will, K., Williams, J.T., Williams, G., Wilson, E.O., Winker, K., Winterbottom, R. & Witt, C.C. (2014) Specimen collection: An essential tool. Science 344: 814–815. doi: 10.1126/science.344.6186.814
   PubMed Web of Science ®Google Scholar
• Schilthuizen, M., Vairappan, C.S., Slade, E.M., Mann, D.J. & Miller, J.A. 2015. Specimens as primary data: Museums and ‘open science’. Trends in Ecology and Evolution 30: 237–238. doi: 10.1016/j.tree.2015.03.002
   PubMed Web of Science ®Google Scholar
• Schmidt, S., Schmid-Egger, C., Moriniere, J., Haszprunar, G. & Hebert, P.D.N. 2015. DNA barcoding largely supports 250 years of classical taxonomy: Identifications for central European bees (Hymenoptera, Apoidea partim). Molecular Ecology Resources 15: 985–1000. doi: 10.1111/1755-0998.12363
   PubMed Web of Science ®Google Scholar
• Scholtz, C.H. & Chown, S.L. 1995. Insects in southern Africa: How many species are there? South African Journal of Science 91: 124–126.
   Web of Science ®Google Scholar
• Schwarz, M., Gusenleitner, F., Westrich, P. & Dathe, H.H. 1996. Katalog der Bienen Österreichs, Deutschlands und der Schweiz (Hymenoptera, Apidae). Entomofauna. Supplement 8: 1–398.
   Google Scholar
• Sheffield, C.S., Hebert, P.D.N., Kevan, P.G. & Packer, L. 2009. DNA barcoding a regional bee (Hymenoptera: Apoidea) fauna and its potential for ecological studies. Molecular Ecology Resources 9: 196–207. doi: 10.1111/j.1755-0998.2009.02645.x
   PubMed Web of Science ®Google Scholar
• Sheffield, C.S., Heron, J., Gibbs, J., Onuferko, T.M., Oram, R., Best, L., Desilva, N., Dumesh, S., Pindar, A. & Rowe, G. 2017. Contribution of DNA barcoding to the study of the bees (Hymenoptera: Apoidea) of Canada: Progress to date. Canadian Entomologist 149: 736–754. doi: 10.4039/tce.2017.49
   Web of Science ®Google Scholar
• Slingsby, P. 2017. Ants of southern Africa: The ant book for all. Cape Town, Slingsby Maps.
   Google Scholar
• South African National Biodiversity Institute (SANBI). South African Biodiversity Information Facility, http://biodiversityadvisor.sanbi.org/online-biodiversity-data/sabif-3/ (accesssed 18 October 2018).
   Google Scholar
• South African National Biodiversity Institute (SANBI). Karoo BioGaps Project, https://www.sanbi.org/biogaps (accessed 18 October 2018).
   Google Scholar
• Steiner, K.E. & Whitehead, V.B. 1990. Pollinator adaptation to oil-secreting flowers – Redivida and Diascia. Evolution 44: 1701–1707.
   PubMed Web of Science ®Google Scholar
• Suarez, A. V. & Tsutsui, N.D. 2004. The value of museum collections for research and society. BioScience 54: 66.
   Google Scholar
• Treurnicht, M., Colville, J.F., Joppa, L.N., Huyser, O. & Manning, J.C. 2017. Counting complete? Finalising the plant inventory of a global biodiversity hotspot. PeerJ 5: e2984.
   PubMed Web of Science ®Google Scholar
• Turney, S., Cameron, E.R., Cloutier, C. A. & Buddle, C.M. 2015. Non-repeatable science: assessing the frequency of voucher specimen deposition reveals that most arthropod research cannot be verified. PeerJ 3: e1168.
   PubMed Web of Science ®Google Scholar
• Valente, L.M., Manning, J.C., Goldblatt, P. & Vargas, P. 2012. Did pollination shifts drive diversification in southern African Gladiolus? Evaluating the model of pollinator-driven speciation. The American Naturalist 180: 83–98. doi: 10.1086/666003
   PubMed Web of Science ®Google Scholar
• van Noort, S. 2018. Challenges and progress with mobilising biodiversity data in the Iziko South African Museum entomology collection. Joint SANBI Biodiversity Information Management & Foundational Biodiversity Information Programme Forum, p. 30.
   Google Scholar
• Victor, J.E., Smith, G.F. & van Wyk, A.E. 2015. Strategy for Plant Taxonomic Research in South Africa 2015–2020. SANBI Biodiversity Series 26. Pretoria, SANBI.
   Google Scholar
• Ward, D.F., Leschen, R.A.B. & Buckley, T.R. 2015. More from ecologists to support natural history museums. Trends in Ecology and Evolution 30: 373–374. doi: 10.1016/j.tree.2015.04.015
   PubMed Web of Science ®Google Scholar
• Weber, W. 1965. Theodore Dru Alison Cockerell. 1866–1948. Series in Bibliography. Boulder, CO, University Press of Colorado.
   Google Scholar
• Weber, W. 2000. The American Cockerell: A Naturalist’s Life, 1866–1948. Boulder, CO, University Press of Colorado.
   Google Scholar
• Whitehead, V.B. & Steiner, K.E. 1993. A new Rediviva bee (Hymenoptera: Apoidea: Melittidae) that collects oil from orchids. African Entomology 1: 159–166.
   Google Scholar
• Winter, D.J. 2017. rentrez: an R package for the NCBI eUtils API. The R journal 9: 520–526. doi: 10.32614/RJ-2017-058
   Google Scholar
• Zuparko, R.L. 2007. The published names of TDA Cockerell, http://essig.berkeley.edu/docs/Cockerell_bz_v1.html (accessed 3 October 2018).
   Google Scholar