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- Title
Seinura caverna n. sp. (Tylenchomorpha: Aphelenchoididae), an androdioecious species isolated from bat guano in a calcareous cave.
- Authors
Kanzaki, Natsumi; Ekino, Taisuke; Masuya, Hayato
- Abstract
Summary: A new species of a predator aphelenchoidid, Seinura caverna n. sp., is described and illustrated. The new species was isolated from bat guano collected from a calcareous cave in Japan. The new species is characterised by its three-lined lateral field, secretory-excretory pore at the level of the posterior two-thirds of the metacorpus, a long post-uterine sac, hermaphrodite tail shape elongate conoid with a filiform tip, and an androdioecious reproductive mode. The new species is typologically and biologically close to S. steineri , but is distinguished by its longer post-uterine sac, slightly longer stylet and slightly larger median bulb. The comparisons with other morphologically similar species, i.e. , S. chertkovi , S. tenuicaudata and S. steineri , are discussed. A molecular phylogenetic analysis based on two small and large subunit ribosomal RNA genes revealed that the new species is located at the basal position of clade 3 of the Aphelenchoididae, clearly separate from S. demani , its congener with unclear rectum and anus, which is located at the derived position, suggesting that further generic revision is necessary for the genus. Aphelenchoides lii n. comb. (= Seinura lii) is proposed.
- Subjects
APHELENCHOIDIDAE; GUANO; RIBOSOMAL RNA genetics; RECTUM; PHYLOGENY
- Publication
Nematology, 2019, Vol 21, Issue 2, p207
- ISSN
1388-5545
- Publication type
Article
- DOI
10.1163/15685411-00003207