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Issue: Vol. 5541 No. 2: 26 Nov. 2024
Type: Article
Published: 2024-11-26
DOI: 10.11646/zootaxa.5541.2.1
Page range: 101-143
Abstract views: 106
PDF downloaded: 8

Six new species of Diacyclops (Copepoda: Cyclopoida) from Australia

Hanyang University; College of Natural Sciences; Department of Life Science; Seoul 04763; Republic of Korea
Crustacea biodiversity biogeography cladistics crustaceans phylogeny taxonomy

Abstract

Nine species and one subspecies of the freshwater copepod genus Diacyclops Kiefer, 1927 have been reported so far from Australia. Two of them are nearly cosmopolitan and frequently found in disturbed surface waters, one is endemic to eastern Australia and found predominantly in springs, while all others are endemic to the Pilbara region of Western Australia and found only in subterranean waters. Here I describe another six endemics: one from a spring in South Australia (D. leijsi sp. nov.), one from two caves in the south-western corner of Western Australia (D. eberhardi sp. nov.), one from several bores in the Pilbara region of Western Australia (D. ballaballensis sp. nov.), and three from several bores in New South Wales (D. hancocki sp. nov., D. tomlinsonae sp. nov., and D. huntervalleyensis sp. nov.). All six new species are easily distinguishable from each other by a unique shape and armature of the caudal rami and a different armature formula of the swimming legs. All, except one pair, also have a different armature formula of the antenna. Interestingly, all nine Western Australian endemics have a 12-segmented antennula (and other characters of the alticola-group), while the four endemics from eastern Australia have this appendage further reduced. Because of this, and previous molecular work that suggested a polyphyly of the Western Australian species, I performed a cladistic analysis of all 16 Australian taxa based on 21 morphological characters. As with many groups that are dominated by subterranean species, the resulting cladograms suggest numerous homoplasies. The group of species from eastern Australia is certainly polyphyletic, while the Western Australian group appears to be paraphyletic. A key to all Australian species is also included.

 

References

  1. Bláha, M., Hulák, M., Slouková, J. & Těšitel, J. (2010) Molecular and morphological patterns across Acanthocyclops vernalis-robustus species complex (Copepoda, Cyclopoida). Zoologica Scripta, 39, 259–268. https://doi.org/10.1111/j.1463-6409.2010.00422.x
  2. Borutzky, E.V. (1962). New data on the copepod Acanthocyclops mirnyi Borutsky & M. Vinogradov from the Antarctic region. Zoologicheskii Zhurnal, 41, 1106–1107.
  3. Borutzky, E.V. & Vinogradov, M.E. (1957) Occurrence of a Cyclopidae (Acanthocyclops mirnyi sp. n.) on the Antarctic continent. Zoologicheskii Zhurnal, 36, 199–203.
  4. Boxshall, G.A. & Halsey, S.H. (2004) An Introduction to Copepod Diversity. The Ray Society, London, 966 pp.
  5. Brehm, V. (1953) Contributions to the freshwater microfauna of Tasmania. Part 1. Copepoda. Papers and Proceedings of the Royal Society of Tasmania, 87, 33–62. https://doi.org/10.26749/TGVE2417
  6. Chang, C.Y. (2009) Inland-water Copepoda. Illustrated Encyclopedia of Fauna and Flora of Korea, 42, 1–687. [in Korean]
  7. Dartnall, H.J.G. (1995) Rotifers, and other aquatic invertebrates, from the Larsemann Hills, Antarctica. Papers and Proceedings of the Royal Society of Tasmania, 129, 17–23. https://doi.org/10.26749/rstpp.129.17
  8. Dartnall, H.J.G. & Hollwedel, W. (2007) A limnological reconnaissance of the Falkland Islands; with particular reference to the waterfleas (Arthropoda: Anomopoda). Journal of Natural History, 41, 1259–1300. https://doi.org/10.1080/00222930701401010
  9. De Laurentiis, P., Pesce, G.L. & Humphreys, W.F. (1999) Copepods from ground waters of Western Australia, IV. Cyclopids from basin and craton aquifers (Crustacea: Copepoda: Cyclopidae). Records of the Western Australian Museum, 19, 243–257.
  10. Dussart, B. & Defaye, D. (2006) World Directory of Crustacea Copepoda of Inland Waters, II – Cyclopiformes. Backhuys Publishers, Leiden, 352 pp.
  11. Ekman, S. (1905) Cladoceren und Copepoden aus Antarktischen und subantarktischen Binnengewässern gesammelt von der Schwedischen Antarktischen Expedition 1901–1903. Wissenschaftliche Ergebnissen der schwedischen Südpolarexpedition 1901–1903, 5, 1–40.
  12. Ferrari, F. (1991) Using patterns of appendage development to group taxa of Labidocera, Diaptomidae and Cyclopidae (Copepoda). In: Uye, S.I., Nishida, S. & Ho, J.S. (Eds.), Proceedings of the Fourth International Conference on Copepoda. Bulletin of Plankton Society of Japan, Special Volume, pp. 115–128.
  13. Fiers, F., Reid, J.W., Iliffe, T.M. & Suárez-Morales, E. (1996) New hypogean cyclopoid copepods (Crustacea) from the Yucatan Peninsula, Mexico. Contributions to Zoology, 66, 65–102. https://doi.org/10.1163/26660644-06602001
  14. Fiers, F., Ghenne, V. & Suárez-Morales, E. (2000) New species of continental copepods (Crustacea, Cyclopoida) from the Yucatan Peninsula, Mexico. Studies of Neotropical Fauna and Environment, 35, 209–251. https://doi.org/10.1076/snfe.35.3.209.8862
  15. Fitzgerlad, P. (2002) Tectonics and landscape evolution of the Antarctic plate since the breakup of Gondwana, with an emphasis on the West Antarctic Rift System and the Transantarctic Mountains. Royal Society of New Zealand Bulletin, 35, 453–469.
  16. Giribet, G. & Edgecombe, G.D. (2006) The importance of looking at small-scale patterns when inferring Gondwanan biogeography: a case study of the centipede Paralamyctes (Chilopoda, Lithobiomorpha, Henicophidae). Biological Journal of the Linnean Society, 89, 65–78. https://doi.org/10.1111/j.1095-8312.2006.00658.x
  17. Goloboff, P. (1999) NONA (NO NAME). Version 2. Published by the author, Tucumán. [Computer software]
  18. Gourbault, N. & Lescher-Moutoué, F. (1979) Faune des eaux souterraines de Majorque. Endins, Mallorca, 5/6, 43–54.
  19. Humphreys, W.F. (1991) Troglobites on Barrow Island, Western Australia. The Western Caver, 31, 11–14.
  20. Huys, R. & Boxshall, G.A. (1991) Copepod Evolution. The Ray Society, London, 468 pp.
  21. Karanovic, T. (2000) On Reidcyclops, new genus (Crustacea, Copepoda), with the first description of the male of Reidcyclops trajani (Reid & Strayer, 1994), new combination. Beaufortia, 50, 79–88.
  22. Karanovic, T. (2004) Subterranean copepods (Crustacea, Copepoda) from arid Western Australia. Crustaceana Monographs, 3, 1–366. https://doi.org/10.1163/9789047412779_003
  23. Karanovic, T. (2005) Two new genera and three new species of subterranean cyclopoids (Crustacea, Copepoda) from New Zealand, with redescription of Goniocyclops silvestris Harding, 1958. Contributions to Zoology, 74, 223–254. https://doi.org/10.1163/18759866-0740304002
  24. Karanovic, T. (2006) Subterranean copepods (Crustacea, Copepoda) from the Pilbara region in Western Australia. Records of the Western Australian Museum, Supplement 70, 1–239. https://doi.org/10.18195/issn.0313-122x.70.2006.001-239
  25. Karanovic, T. (2020) Four new Cyclopina (Copepoda, Cyclopinidae) from South Korea. ZooKeys, 992, 59–104. https://doi.org/10.3897/zookeys.992.54856
  26. Karanovic, T. (2021) Two new marine cyclopinids (Crustacea: Copepoda: Cyclopoida) from interstitial habitats in Korea. Zootaxa, 5051 (1), 319–345. https://doi.org/10.11646/zootaxa.5051.1.14
  27. Karanovic, T. & Blaha, M. (2019) Taming extreme morphological variability through coupling of molecular phylogeny and quantitative phenotype analysis as a new avenue for taxonomy. Scientific Reports, 9 (2429), 1–14. https://doi.org/10.1038/s41598-019-38875-2
  28. Karanovic, T. & Cooper, S.J.B. (2011) Molecular and morphological evidence for short range endemism in the Kinnecaris solitaria complex (Copepoda: Parastenocarididae), with descriptions of seven new species. Zootaxa, 3026 (1), 1–64. https://doi.org/10.11646/zootaxa.3026.1.1
  29. Karanovic, T. & Cooper, S.J.B. (2012) Explosive radiation of the genus Schizopera on a small subterranean island in Western Australia (Copepoda: Harpacticoida): unraveling the cases of cryptic speciation, size differentiation and multiple invasions. Invertebrate Systematics, 26, 115–192. https://doi.org/10.1071/IS11027
  30. Karanovic, T., Gibson, J.A.E., Hawes, I., Andersen, D.T. & Stevens, M.I. (2014) Diacyclops (Copepoda: Cyclopoida) in Continental Antarctica, including three new species. Antarctic Science, 26, 250–260. https://doi.org/10.1017/S0954102013000643
  31. Karanovic, T. & Krajicek, M. (2012a) When anthropogenic translocation meets cryptic speciation globalized bouillon originates; molecular variability of the cosmopolitan freshwater cyclopoid Macrocyclops albidus (Crustacea: Copepoda). International Journal of Limnology, 48, 63–80. https://doi.org/10.1051/limn/2011061
  32. Karanovic, T. & Krajicek, M. (2012b) First molecular data on the Western Australian Diacyclops (Copepoda, Cyclopoida) confirm morpho-species but question size differentiation and monophyly of the alticola-group. Crustaceana, 85, 1549–1569. https://doi.org/10.1163/156854012X651709
  33. Karanovic, T. & Tang, D. (2009) A new species of the copepod genus Australoeucyclops (Crustacea: Cyclopoida: Eucyclopinae) from Western Australia shows the role of aridity in habitat shift and colonisation of ground water. Records of the Western Australian Museum, 25, 247–264. https://doi.org/10.18195/issn.0312-3162.25(3).2009.247-263
  34. Karanovic, T., Yoo, H. & Lee, W. (2012a) A new species of cyclopoid copepods from Korean subterranean waters reveals interesting connections with the Central Asian fauna (Crustacea: Copepoda: Cyclopoida). Journal of Species Research, 1, 155–173. https://doi.org/10.12651/JSR.2012.1.2.156
  35. Kiefer, F. (1927) Versus eines Systems der Cyclopiden. Zoologischer Anzeiger, 73, 302–308.
  36. Kiefer, F. (1928) Beiträge zur Copepodenkunde (VIII). 17. Neue Cyclopiden aus Neuseeland. 18. Diaptomiden und Cyclopiden aus Südafrika. Zoologischer Anzeiger, 76, 5–18.
  37. Kiefer, F. (1935) Fünf neue Ruderfusskrebse aus Indien. Aus den Ergebnisse der Yale North India Expedition 1932. Zoologischer Anzeiger, 109, 113–121.
  38. Kiefer, F. (1939) Freilebende Ruderfusskrebse (Crustacea Copepoda) aus Nordwest und Südindien (Pandschab, Kaschmir, Ladak, Nilgirigebirge). Memoirs of the Indian Museum Calcutta, 13, 83–203.
  39. Kiefer, F. (1978) Zur Kenntnis des Diacyclops thomasi (S.A. Forbes, 1882) (Copepoda Cyclopoida). Crustaceana, 34, 214–216. https://doi.org/10.1163/156854078X00745
  40. Kodandaramaiah, U., Braby, M.F., Grund, R., Müller, C.J. & Wahlberg, N. (2018) Phylogenetic relationships, biogeography and diversification of Coenonymphina butterflies (Nymphalidae: Satyrinae): intercontinental dispersal of a southern Gondwanan group? Systematic Entomology, 43, 798–809. https://doi.org/10.1111/syen.12303
  41. Lescher-Moutoué, F. (1971) Recherches sur les eaux souterraines. 15. Les Cyclopides de la zone noyée d’un karst. II. Mesocyclops (Thermocyclops) delamarei n. sp. Annales de Spéléologie, 26, 473–479.
  42. Lescher-Moutoué, F. (1976) Création du genre Kieferiella a la suite de nouvelles observations sur l’espèce delamarei (Crustacé, Copépode). Annales de Spéléologie, 31, 91–98.
  43. Lindberg, K. (1949) Contribution à l’étude des Cyclopides (Crustacés Copépodes). Kunglige Fysiografiska Sällskapets i Lund Förhandlingar, 19, 98–121.
  44. Locascio de Mitrovich, C. & Menu-Marque, S. (2001) A new Diacyclops (Copepoda, Cyclopoida, Cyclopidae) from northwestern Argentina. Hydrobiologia, 453/454, 533–538. https://doi.org/10.1007/0-306-47537-5_46
  45. Martin, H.A. (2006) Cenozoic climatic change and the development of the arid vegetation in Australia. Journal of Arid Environments, 66, 533–563. https://doi.org/10.1016/j.jaridenv.2006.01.009
  46. McNamara, K.J. & Kendrick, G.W. (1994) Cenozoic molluscs and echinoids of Barrow Island, Western Australia. Records of the Western Australian Museum, Supplement 51, 1–50.
  47. Monchenko, V.I. (1974) Schelepnoroti Ciklopopodibni Ciklopi (Cyclopidae). Fauna Ukraïni, 27 (3), 1–452.
  48. Monchenko, V.I. (2000) Cryptic species in Diacyclops bicuspidatus (Copepoda: Cyclopoida): evidence from crossbreeding studies. Hydrobiologia, 417, 101–107. https://doi.org/10.1023/A:1003811606429
  49. Monchenko, V.I. & von Vaupel Klein, J.C. (1999) Oligomerization in Copepoda Cyclopoida as a kind of orthogenetic evolution in the animal kingdom. Crustaceana, 72, 241–264.
  50. Morton, D.W. (1985) Revision of the Australian Cyclopidae (Copepoda: Cyclopoida), I. Acanthocyclops Kiefer, Diacyclops Kiefer and Australocyclops, gen. nov. Australian Journal of Marine and Freshwater Research, 36, 615–634. https://doi.org/10.1071/MF9850615
  51. Mrazek, A. (1901) Süsswasser-Copepoden. Ergebnisse der Hamburger Magalhaensischen Sammelreise 1892/93. Hamburg Natural History Museum, 3 (2/22), 1–29.
  52. Nixon, K. C. (1999) The parsimony ratchet, a new method for rapid parsimony analysis. Cladistics, 15, 407–414. https://doi.org/10.1111/j.1096-0031.1999.tb00277.x
  53. Owen, C.L., Marshall, D.C., Hill, K.B.R. & Simon, C. (2017) How the aridification of Australia structured the biogeography and influenced the diversification of a large lineage of Australian cicadas. Systematic Biology, 66, 569–589. https://doi.org/10.1093/sysbio/syw078
  54. Pandourski, I.S. (1997) Composition, origine et formation de la faune cyclopidienne stygobioe de Bulgarie et definition du groupe d’espèces “kieferi” du genre Acanthocyclops (Crustacea, Copepoda, Cyclopoida). Bolletino del Museo Regionale di Scienze Naturali Torino, 15, 279–297.
  55. Pesce, G.L. (1996) Towards a revision of Cyclopinae copepods (Crustacea, Cyclopidae). Fragmenta Entomologica Roma, 28, 189–200.
  56. Pesce, G.L. & De Laurentiis, P. (1996) Copepods from ground waters of Western Australia. III. Diacyclops humphreysi n. sp., and comments on the Diacyclops crassicaudis-complex (Copepoda, Cyclopidae). Crustaceana, 69, 524–531. https://doi.org/10.1163/156854096X01096
  57. Reid, J.W. (1991) Diacyclops albus n. sp. and Parastenocaris palmerae n. sp. (Crustacea: Copepoda) from the meiofauna of a stream bed in Virginia, U.S.A. Canadian Journal of Zoology, 69, 2893–2902. https://doi.org/10.1139/z91-408
  58. Reid, J.W. (2004) New records and new species of the genus Diacyclops (Crustacea; Copepoda) from subterranean habitats in southern Indiana, USA. Jeffersoniana, 12, 1–65.
  59. Reid, J.W. & Ishida, T. (2000) Itocyclops, a new genus proposed for Speocyclops yezoensis (Copepoda: Cyclopoida: Cyclopidae). Journal of Crustacean Biology, 20, 589–596. https://doi.org/10.1163/20021975-99990076
  60. Reid, J.W. & Strayer, D.L. (1994) Diacyclops dimorphus, a new species of copepod from Florida, with comments on morphology of interstitial cyclopine cyclopoids. Journal of the North American Benthological Society, 13, 250–265. https://doi.org/10.2307/1467243
  61. Reid, J.W., Strayer, D.L., McArthur, J.V., Stibbe, S.E. & Lewis, J.J. (1999) Rheocyclops, a new genus of copepods from the southeastern and central U.S.A. (Copepoda: Cyclopoida: Cyclopidae). Journal of Crustacean Biology, 19, 384–396. https://doi.org/10.2307/1549246
  62. Scott, T. (1914) Remarks on some Copepoda from the Falkland Islands collected by Mr Rupert Vallentin. The Annals and Magazine of Natural History, 8 (13), 1–11. https://doi.org/10.1080/00222931408693449
  63. Shen, C.J. & Sung, T.H. (1963) Notes on Copepoda collected from Shigatze and Gyangtse regions in Tibet, China. Acta Zoologica Sinica, 15 (1), 79–97.
  64. Shen, C.J., Tai, A.Y., Zhang, C.Z., Li, Z.Y., Song, D.X., Song, Y.Z. & Chen, G.X. (1979) Crustacea: Freshwater Copepoda. Fauna Sinica (unnumbered), Academia Sinica Research Group of Carcinology Institute of Zoology, Science Press, Peking, 450 pp. [in Chinese]
  65. Stoch, F. (1987) Cave-dwelling cyclopoids (Crustacea, Copepoda) from Venezia Giulia (northeastern Italy). Bulletin Zoologisch Museum Universiteit van Amsterdam, 11 (5), 41–56.
  66. Stoch, F. (2001) How many species of Diacyclops? New taxonomic characters and species richness in a freshwater cyclopid genus (Copepoda, Cyclopoida). Hydrobiologia, 453/454, 525–531. https://doi.org/10.1023/A:1013191429008
  67. Stock, J.K. & von Vaupel Klein, J.C. (1996) Mounting media revisited: the suitability of Reyne’s fluid for small crustaceans. Crustaceana, 69, 749–798. https://doi.org/10.1163/156854096X00826
  68. Suárez-Morales, E., Mercado-Salas, N.F. & Barlow, R. (2013) A new stygobiotic species of Diacyclops Kiefer, 1927 (Copepoda, Cyclopidae) from caves in New Mexico, United States. Crustaceana, 86, 1155–1177. https://doi.org/10.1163/15685403-00003223
  69. Walter, T.C. & Boxshall, G.A. (2023) World of Copepods database. Available online at http://www.marinespecies.org/copepoda (accessed 15 November 2023)
  70. Zhang, C.-L., Santoshb, M., Zhu, Q.-B., Chen, X.-Y. & Huang, W.-C. (2015) The Gondwana connection of South China: Evidence from monazite and zircon geochronology in the Cathaysia Block. Gondwana Research, 28, 1137–1151. https://doi.org/10.1016/j.gr.2014.09.007