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Description of Longidorus barsii Radivojevic & De Luca sp. n. (Nematoda: Longidoridae) from Serbia and observations on some taxonomic characters

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2020
Authors
Radivojević, Milan
Barši, Laszlo
Fanelli, Elena
De Luca, Francesca
article (publishedVersion)
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Abstract
Longidorus barsii sp. n., from Mt Tara in the Balkan Peninsula, is described and characterised by using a polyphasic approach. The species has numerous males. The female body is 5-7 mm long, rather stout and resembles a large Xiphinema. The lip region is wide, with rounded sides continuous with the neck, frontally flattened and depressed around the oral aperture, amphids are pouch-like and distinctly bi-lobed and the odontostyle is moderately long. The nuclei of the pharyngeal glands are in the normal position, the dorsal nucleus located somewhat posterior to anterior third of bulb. The uteri are long, the distal inner epithelium densely covered with papilla-like outgrowths. The tail is rounded, bluntly conoid and very short. Alpha-numerical identification codes: A4/5, B45, C3, D3, E2, F3, G 1(2), H1, I2, J1, K67. The morphologically most similar species are L. kheirii, L. polyae and L. profundorum. Additional observations are provided on the anterior body region and genital organs in ...L. barsii sp. n., L. piceicola, L. silvae, and L. uroshis. Selected features are discussed from the taxonomic and functional points of view. The D2-D3 expansion domains of the 28S rRNA gene and the ITS region of L. barsii sp. n. were amplified and sequenced. Phylogenetic analysis using the D2-D3 expansion domains of the 28S rRNA gene revealed close evolutionary relationships with L. polyae, L. athesinus and three unidentified Longidorus spp.

Keywords:
Balkan Peninsula / Corylus avellana / D2-D3 / Dorylaimida / Fagus moesiaca / ITS / Longidorus piceicola / Longidorus silvae / Longidorus uroshis / molecular / morphology / morphometrics / new species / phylogeny / taxonomy
Source:
Nematology, 2020, 22, 5, 555-+
Publisher:
  • Brill, Leiden
Funding / projects:
  • info:eu-repo/grantAgreement/MESTD/Integrated and Interdisciplinary Research (IIR or III)/46008/RS// (RS-46008)

DOI: 10.1163/15685411-00003323

ISSN: 1388-5545

WoS: 000540825200007

Scopus: 2-s2.0-85087392502
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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/5388
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  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet

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