Description of Crenosoma vismani n. sp., parasitic in the lungs of Lynx lynx (L.) (Carnivora: Felidae), with identificat
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Description of Crenosoma vismani n. sp., parasitic in the lungs of Lynx lynx (L.) (Carnivora: Felidae), with identification key to the species of the genus Crenosoma Molin, 1861 (Nematoda: Crenosomatidae) Virmantas Stunzˇe_ nas
. Rasa Binkien_e
Received: 15 September 2020 / Accepted: 2 November 2020 Springer Nature B.V. 2020
Abstract A new species of Crenosoma Molin, 1861 is described from the lungs of the Eurasian lynx, Lynx lynx (L.) (Carnivora: Felidae). Crenosoma vismani n. sp. differs from other species of the genus in the morphology of the male copulatory organs (two ventral rays originating from a common stem; three lateral rays with common stem; gubernaculum 79–92 lm long, well developed, spoon-shaped; spicules 232–253 lm long, slightly curved, with robust dorsal appendage) and a vulva with rounded, prominent vulvar cuticular appendage is located in middle region of body in females. An analysis of the morphology and life-cycle data for Crenosoma petrowi Morozov, 1939 from Ursus americanus Pallas indicate that this nematode should be described as a new species. The
This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as urn:lsid:zoobank.org:pub:F9AA44BB-5B92-47CE-ADD13A3CBAF49AAC. This article was published as an Online First article on the online publication date shown on this page. The article should be cited by using the doi number. This is the Version of Record. This article is part of the Topical Collection Nematoda. V. Stunzˇe_ nas (&) R. Binkien_e Nature Research Centre, Akademijos str. 2, 08412 Vilnius, Lithuania e-mail: [email protected] R. Binkien_e e-mail: [email protected]
validity of Crenosoma schulzi Gagarin, 1958 is resurrected. A new identification key for the species of Crenosoma is provided. Published records of the genus Crenosoma from definitive hosts and patterns of host specificity are presented. Morphological data revealed that the genus Crenosoma should contain 15 species (14 with valid names) with different host specificity, ranging from oioxenous to euryxenous. However, a review of the current genetic data indicates that the actual number of Crenosoma spp. is greater, and the host range is still unknown, even in Europe.
Introduction The Eurasian lynx Lynx lynx (L.) is the largest species of the genus and inhabits temperate and boreal forests from northern, central and eastern Europe to central Asia and Siberia, the Tibetan Plateau and the Himalayas (Rueness et al., 2014). Because of its wide distribution, it has been listed as a species of least concern in the IUCN Red List since 2008 (Breitenmoser et al., 2015). Most lynx populations in Europe are generally stable; however, their status and trends vary greatly within the European range (Kaczensky et al., 2012; Schmidt et al., 2011). The Eurasian lynx is managed as a game species in Latvia. Helminthological analysis of hunted Eurasian lynx that have been collected throughout the territory of Latvia revealed five species of nematodes:
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