Morpho-Molecular and Ultrastructural Characterization of Discocriconemella parasinensis n. sp. from Zhejiang Province, China

During a recent inventory survey of the nematofauna of tea plantation at Zhejiang Province, China, n. sp. was detected in the rhizosphere of . The new species can be characterized by having the uninterrupted rounded labial disc, view showing rectangular-rounded labial plate without submedian lobes,...

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Published inJournal of nematology Vol. 54; no. 1; pp. 1 - 11
Main Authors Li, Junxia, Munawar, Maria, Castillo, Pablo, Zheng, Jingwu
Format Journal Article
LanguageEnglish
Published Sciendo 01.02.2022
Subjects
camellia sinensis
DNA sequencing
morphology
morphometrics
nematode
new record
phylogeny
Research Paper
species
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Summary:During a recent inventory survey of the nematofauna of tea plantation at Zhejiang Province, China, n. sp. was detected in the rhizosphere of . The new species can be characterized by having the uninterrupted rounded labial disc, view showing rectangular-rounded labial plate without submedian lobes, R = 82.6 (80–86), Rex = 22 (21–23), stylet length of 68.3 (59–76) μm, excretory pore located 1–2 annuli posterior to the esophageal bulb, vulva open, postvulval body elongated conoid, and tail conoid with bilobed terminus. Morphologically, the species shares the same lip-type with , , , , and . Phylogenetic relationships of the new species based on D2–D3 expansion segments of 28S, ITS, and 18S rRNA genes revealed that n. sp. formed a separated clade from other criconematid species, thereby supporting its status as a new species of the genus. The new species showed close phylogenetic relationships with
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LSID: zoobank. org:act:49F1E049-BA02-46B1-82EF-304F1F40390B.
This paper was edited by Thomas Powers.
ISSN:2640-396X
0022-300X
2640-396X
DOI:10.2478/jofnem-2022-0011