Abstract
Maraenobiotus wellsi sp. nov. (Canthocamptidae) is described based on material collected in mosses in the “páramo” region of the Andean Cordillera of Colombia. The new species is closely related to M. australis Apostolov, 2001 from Tierra de Fuego in Argentina, but can be distiguished by the shape of the caudal rami, the insertion point of its terminal seta IV, and the chaetotaxy of distal segments of legs 3 and 4. We discuss morphological differences with other congeners inhabiting South America (Peru), i.e. M. naticochensis Delachaux, 1917, M. fontinalis Harding, 1955 and M. fontinaloides Löffler, 1960. Major distinguishing features were observed in the chaetotaxy of legs 2 and 3, the morphology and size of the caudal rami, and the ornamentation of the anal operculum. We also discuss morphological characters that distinguish the new species from those living exclusively in mosses, such as M. cuspidatus Štěrba, 1968 and M. canadensis Flössner, 1992, and those reported from mosses and other habitats i.e.. M. vejdovskyi Mrázek, 1893, M. brucei brucei (Richard, 1898), M. zschokkei Kreis, 1920, M. brucei himalayensis Chappuis, 1928b, M. truncatus (Gurney, 1932), M. insignipes elgonensis Chappuis, 1936, M. insignipes nepalensis Löffler, 1968 and M. kinabaluensis Löffler, 1973. A distribution map of American species and an identification key for females are provided.
References
Apostolov, A. (2001) Contribution à l’étude de la faune harpacticoïdienne d’eau douce de l’Argentine (Terre de Feu). Bollettino del Museo regionale di Scienze naturali, 18 (2), 355–364.
Bassamakov, I. & Apostolov, A. (1989) Maraenobiotus bulbiseta n. sp., nouvel copepod harpacticoide cavernicole de la montagne Rhodopie (sud Bulgarie). Bulletin of the Museum of South Bulgaria, 15, 97–103.
Borutzky, E.V. (1934) Zur Harpacticidenfauna des Kaukasus. Zoologischer Anzeiger, 107, 263–269.
Borutzky, E.V. (1964) Freshwater Harpacticoida. In: Fauna of USSR, Crustacea. 3 (4). Translation by Israel Program for scientific Translations, Jerusalem, pp. 1–396.
Borutzky, E.V. (1972) [Copepoda Harpacticoida from subterranean water of the shore of lake Issik-Kul and southern Kysylkum.] Trudy zoologicheskogo Instituta Akademie Nauk SSSR 51, 98–119. (in Russian)
Brancelj, A. & Karanovic, T. (2015) A new subterranean Maraenobiotus (Crustacea: Copepoda) from Slovenia challenges the concept of polymorphic and widely distributed harpacticoids. Journal of natural History, 49, 2905–2928. https://doi.org/10.1080/00222933.2015.1022620
Chappuis, P.A. (1928a) Nouveaux Copépodes cavernicoles. Buletinul Societătii de Stiinte din Cluj, 4 (1), 2, 20–34.
Chappuis, P.A. (1928b) Zur Kenntnis der Mikrofauna von Britisch Indien. III. Copepoda Harpacticoida. Records of the Indian Museum, 30, 375–385.
Chappuis, P.A. (1931) Copepoda Harpacticoida der Deutsche Limnologischen Sunda-Expedition. Archiv für Hydrobiologie, Supplement 8, 512–584.
Chappuis, P.A. (1936) Crustacea. III. Copepoda: Harpacticoida. Mission Scientifique de l’Omo. Mémoires du Muséum national d’Histoire naturelle, Nouvelle Série, 3 (29), 245–292.
Defaye, D. & Dussart, B. (2011) World Directory of Crustacea Copepoda III—Harpacticoida IV—Gelyelloida. Backhuys Publishers, Margraf Publishers GmbH, Weikersheim, Germany, 450 pp.
Delachaux, T. (1917) Neue Süsswasserharpacticiden aus Südamerika, gesammelt von Herrn Ingenieur E. Godet in den peruanischen Anden. Zoologischer Anzeiger, 49, 315–355.
Fefilova, E. (2010) On the Estonian fauna of Harpacticoida (Crustacea, Copepoda). Estonian Journal of Ecology, 59 (4), 281–295. https://doi.org/10.3176/eco.2010.4.03
Flössner, D. (1988) New freshwater Canthocamptidae (Copepoda, Harpacticoida) from groundwaters of Canada and Greenland. Stygologia, 4, 26–41.
Flössner, D. (1992) A new genus and a new species of freshwater Canthocamptidae (Copepoda: Harpacticoida) from wet mosses of Canada. Hydrobiologia, 234, 7–14. https://doi.org/10.1007/BF00010774
Gaviria, S. (1993) Crustacean plankton of a high altitude tropical lake: Laguna de Chingaza, Colombia. Verhandlungen der Internationale Vereinigung für Theoretische und Angewandte Limnologie, 25, 906–911. https://doi.org/10.1080/03680770.1992.11900279
Gaviria, S. (1998) Checklist and distribution of the free-living copepods (Arthropoda: Crustacea) from Austria. Annalen des Naturhistorischen Museums in Wien, Serie B (Botanik und Zoologie), 100, 539–594.
Gaviria, S. & Aranguren, N. (2007) Especies de vida livre de la subclase Copepoda (Arthropoda, Crustacea) en aguas continentales de Colombia. Biota Colombiana, 8, 53–68.
Gaviria, S., Defaye, D. & Corgosinho. P.H.C. (2017) Two new parastenocaridid genera (Copepoda, Harpacticoida) from South America, including a revision of Noodt’s columbiensis-group and the redescription of Parastenocaris tapajoensis Noodt, 1963. Crustaceana, 90, 535–570. https://doi.org/10.1163/15685403-00003672
Griebler, C. & Mösslacher, F. (2003) Grundwasser-Ökologie. Facultas Verlags- und Buchhandlungs, Vienna, 495 pp.
Gurney, R. (1932) British freshwater Copepoda: Harpacticoida. The Ray Society, London, 336 pp. https://doi.org/10.5962/bhl.title.82138
Harding, J.P. (1955) Crustacea: Copepoda. In: The Percy Sladen Trust expedition to Lake Titicaca in 1937. Transactions of the Linnean Society of London, Zoology, Series 3, 1, 219–247. https://doi.org/10.1111/j.1096-3642.1955.tb00015.x
Huys, R. & Boxshall, G.A. (1991) Copepod Evolution. Ray Society, London, 468 pp.
Janetzky, W., Enderle, R. & Noodt, W. (1996) Crustacea: Copepoda: Gelyelloida und Harpacticoida. In: Schwoerbel, J. & Zwick, P. (Eds.), Süsswasserfauna von Mitteleuropa. 8 (4/2). Gustav Fischer Verlag, Stuttgart, pp. 1–228.
Jersabek, C.D., Brancelj, A., Stoch, F. & Schabetsberger, R. (2001) Distribution and ecology of copepods in mountainous regions of the Eastern Alps. In: Lopes, R.M., Reid, J.W. & Rocha, C.F.F. (Eds.), Copepoda: Developments in Ecology, Biology and Systematics. Hydrobiologia, 453/454, 309–324. https://doi.org/10.1007/0-306-47537-5_25
Keilhack, L. (1909) Beiträge zur Kenntnis der Süsswasserfauna der Dauphiné-Alpen. I. Zur Systematik der Gattung Maraenobiotus Mrázek. Archiv für Hydrobiologie und Planktonkunde, 4, 311–324, pl. 6.
Kreis, H. (1920) Über Alpine Harpacticiden. Festschrift für Zschokke, 21, 1–12.
Lilljeborg, W. (1902) Synopsis specierum huc usque in aquis dulcibus Sueciae observatarum familiae Harpacticidarum. Sive Bidrag till en Öfversikt af de uti Sveriges färska vatten hittills iakttagna Arterna af Familjen Harpacticidae. Kungliga svenska Vetenskaps-Akademiens Handlingar, ny följd, 36 (1), 1–75, pls. I–IV.
Löffler, H. (1960) Eine neue Maraenobiotus-Art (Copepoda Harpacticoida) aus tropischen Hochgebirgsgewässern Perus. Zoologischer Anzeiger, 165, 478–481.
Löffler, H. (1965) Die Gattung Maraenobiotus in Afrika. Zoologische Jahrbücher, Abteilung für Systematik, 92, 195–218.
Löffler, H. (1968) Zur Harpacticidenfauna des östlichen Nepal mit besonderer Berücksichtigung der Gattung Maraenobiotus. Archiv für Hydrobiologie, 65 (1), 1–24.
Löffler, H. (1972) Contributions to the limnology of high mountain lakes in Central America. Internationale Revue der gesamten Hydrobiologie, 57 (3), 397–408. https://doi.org/10.1002/iroh.19720570304
Löffler, H. (1973) Die Harpacticidenfauna des Mt. Kinabalu (Borneo) mit besonderer Berücksichtigung der Gattung Maraenobiotus nebst Angaben zur Harpacticidenfauna des Gebietes Nuwara (Hochplateau Ceylon). In: Beiträge zur Kenntnis einiger Kleinorganismen tropischer Hochgebirgsseen. Hochgebirgsforschung, 3, pp. 5–28.
Mrázek, A. (1893) Beitrag zur Kenntnis der Harpacticiden des Süsswassers. Zoologischer Jahrbücher für Systematik, 7, 89–130.
Novikov, A. & Sharafutdinova, D. (2020) A new species of Maraenobiotus (Copepoda, Harpacticoida) from Lena River Delta (North-Eastern Siberia). Zootaxa, 4852, (2), 177–190. https://doi.org/10.11646/zootaxa.4852.2.3
Palmer, M.A., Arensburger, P., Botts, P.S., Hakenkamp, C.C. & Reid, J.W. (1995) Disturbance and the community structure of stream invertebrates: Patch-specific effects and the role of refugia. Freshwater Biology, 34, 343–356. https://doi.org/10.1111/j.1365-2427.1995.tb00893.x
Pesce, G.L., Galassi, D.M.P. & Stoch, F. (1994) Primo rinvenimento del genere Maraenobiotus Mrázek in Italia (Crustacea, Copepoda, Canthocamptidae). Fragmenta entomologica, 25,161–173.
Richard, J. (1898) Sur la faune des eaux douces explorées en 1898 pendant la campagne du yacht ‘Princesse Alice’ (Lofoten, Spitzberg, îles Beeren, Hope de Barents et Faeroer). Mémoires de la Société zoologique de France, 11, 326–338.
Roy, J. (1924) Sur un Harpacticide muscicole: Maraenobiotus vejdovskyi Mrázek var. tenuispina. Bulletin de la Société zoologique de France, 49, 36–44.
Sars, G.O. (1903) Copepoda Harpacticoida. Parts I & II. Misophriidæ, Longipediidæ, Cerviniidæ, Ectinosomidæ (part). An account of the Crustacea of Norway, with short Descriptions and Figures of all the Species, 5, 1–28, pls. I–XVI.
Sars, G.O. (1906) Copepoda Harpacticoida. Parts XV & XVI. Diosaccidae (concluded), Canthocamptidae (part). An Account of the Crustacea of Norway, with short Descriptions and Figures of all the Species, 5, 173–196, pls. CXIII–CXXVIII.
Štěrba, O. (1968) Neue Harpacticoidea (Crustacea, Copepoda) aus dem asiatischen Teil der Paläarktis. Zoologischer Anzeiger, 180, 50–68.
Sturm, H. (1978) Zur Ökologie der andinen Paramoregion. Biogeographica, 14, 1–121. https://doi.org/10.1007/978-94-009-9970-1
Thiébaud, M. (1927) Sur quelques harpacticides muscicoles des Alpes de Savoie. Bulletin de la Société zoologique de France, 52, 141–152.
Walter, T.C. & Boxshall, G. (2019) Maraenobiotus Mrázek. In: Walter, T.C. & Boxshall, G.A. (Eds.), World of Copepods Database. World Register of Marine Species. Available from: http://www.marinespecies.org/copepoda/aphia.php?p=taxdetails&id=347450 (accessed 24 September 2019)
Wells, J.B.J. (2007) An annotated checklist and keys to the species of Copepoda Harpacticoida (Crustacea). Zootaxa, 1568 (1), 1–872. https://doi.org/10.11646/zootaxa.1568.1.1
Williamson, C.E. & Reid, J.W. (2001) Chapter 22. Copepoda. In: Thorp, J.H. & Covich, A.P. (Eds.), Ecology and Classification of north American Freshwater Invertebrates. 2nd Edition. Academic Press, New York, pp. 915–954. https://doi.org/10.1016/B978-012690647-9/50023-5