New species of free-living nematode Monhystera curvicaudata sp. nov. (Nematoda: Monhysterida) from IndiaProceedings of the Zoological Institute RAS, 2015, 319(4): 550–557 · https://doi.org/10.31610/trudyzin/2015.319.4.550 Abstract The article provides the description of Monhystera curvicaudata sp. nov., a new species of free-living freshwater nematode from a water reservoir in Rajastan state, India. The new species differs from the morphologically similar M. pseudomacrura Khera, 1971 from India in the structure of the gubernaculum without apophysis and position of vulva. Morphological characters of the genus Monhystera are discussed; a key to males of the Monhystera species is given. Key words India, Monhystera, nematodes, freshwater, taxonomy Submitted October 23, 2015 · Accepted November 5, 2015 · Published December 25, 2015 References Andrassy I. 1964. Süsswasser-Nematoden aus den Grossen Gebirgegenden Ostafrikas. Acta Zoologica, 10: 1–59. Andrassy I. 2005. Free-living Nematodes of Hungary. Vol. 1. Budapest, 518 p. Bastian H. Ch. 1865. Monograph on the Anguillulidae, or free Nematods, marine, land, and freshwater with descriptions of 100 new species. The Transactions of the Linnean Society of London, 25: 73–184. https://doi.org/10.1111/j.1096-3642.1865.tb00179.x Bütschli O. 1873. Beiträge zur Kenntnis der freilebenden Nematoden. Nova Acta Deutschen Akademie der Naturforscher, 36: 1–124. https://doi.org/10.1007/BF02960315 Coomans A. and Eyualem-Abebe. 2006. Order Monhysterida. In: I. Eyualem-Abebe, I. Andrassy and W. Transpurger (Eds). Freshwater Nematodes. CABI Publishing: 574–603. https://doi.org/10.1079/9780851990095.0574 Daday E. 1897. Die freilebenden Süsswasser-Nematoden der Ungarns. Zoologische Jarbücher, 10: 91–134. Eyualem and Coomans A. 1996. Aquatic nematodes from Ethiopia. Hydrobiologia, 324: 1–51. https://doi.org/10.1007/BF00017635 Gagarin V.G. 1979. Two new species of free-living nematodes. Zoologicheskiy Zhurnal, 58: 596–598. [In Russian]. Gagarin V.G. 1993. Free-living nematodes from fresh waters of Russia. Hydrometeoizdat. Saint Petersburg, 350 p. [In Russian]. Gagarin V.G. and Gusakov V.A. 2013. Description of two species of free-living nematodes from fresh waterbodies of Vietnam. Inland water biology, 6: 13–20. [In Russian]. https://doi.org/10.1134/S199508291304007X Gerlach S. and Riemann F. 1973. The Bremerhaven Checklist of Aquatic Nematodes. Veröffentlichung des Instituts für Meeresforschung in Bremerhaven. Supplement 4: 1–404. Jacobs L. 2000. Checklist of the Monhysteridae. Johannesburg, 186. Jacobs L. and Heyns J. 1992. Morphology of Monhystera coomansi sp. n. Nematologica, 38: 1–21. https://doi.org/10.1163/187529292X00018 Joubert A. and Heyns J. 1980. Freshwater nematodes from South Africa. South-African Journal of Zoology, 15: 190–197. https://doi.org/10.1080/02541858.1980.11447709 Khera S. 1971. Nematodes from the banks of still and running waters. Nematologica. 16: 492–502. https://doi.org/10.1163/187529270X00676 Meyl A. 1954. Die Fadenwürmer einiger Salzstellen südöstlich von Braunschweig. Abhandlung der braunschweig wissenschaft Geselschaft, 6: 84–106. Micoletzky H. 1914. Freilebende Süsswasser-Nematoden der Ost-Alpen. Zoologische Jarbücher Systematik, 36: 331–546. Riemann F. 1966. Die interstitiale Fauna im Elbe-Aestuar. Archiv für Hydrobiologie. Supplement 31: 1–279. Skwarra E. 1921. Freilebende Nematoden Ost-Prussens. Zoologischer Anzeiger, 53: 66–74. Tsalolikhin S.J. 1985. Nematodes of fresh- and brackish waters of Mongolia. Nauka. Leningrad, 115 p. [In Russian]. Zeidan A., Jacobs L. and Geraert E. 1990. Monhysteridae from Western Sudan with descriptions of two new species. Nematologica, 35: 379–398. https://doi.org/10.1163/002825989X00142 Zullini A. 1974. The nematological population of the Po river. Bollettino di zoologia, 41: 183–210. https://doi.org/10.1080/11250007409429267 Zullini A. 1982. Nematodi. Verona, 118 p.
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