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A new needle nematode, Longidorus persicus n. sp. (Nematoda: Longidoridae), from Kermanshah province, western Iran

AuthorsEsmaeili, Mehrab; Heydari, Ramin; Archidona-Yuste, Antonio; Castillo, Pablo ; Palomares Rius, Juan E.
KeywordsBayesian inference
Issue DateJan-2017
CitationEuropean Journal of Plant Pathology 147(1): 27–41 (2017)
AbstractA new longidorid nematode, Longidorus persicus n. sp., is described and illustrated from a population extracted from soil associated with wild rose (Rosa sp.) naturally growing in the mountains close to the village of Cheshmeh-e-Nezamei near the city of Gilan-e-Gharb, Kermanshah province, western Iran. The new needle nematode is characterised by a large body size (6550–7763 μm), an anteriorly flattened lip region, ca 13 μm wide, distinctly set off from body contour by a depression, amphidial fovea large, pocket shaped, slightly asymmetrically bilobed, a moderately long and flexible odontostyle ca 86 μm long, stylet guiding ring located at ca 25 μm from anterior end, posterior arrangement of the pharyngeal gland nuclei, vulva almost equatorial (49–54 %), tail short, about 3/4 of its width, dorsally convex-conoid, with rounded terminus, with a c’ ratio ca 1.3, bearing three pairs of caudal pores and male rare (ratio 1:10 females) with spicules ca 46 μm long. Integrative diagnosis was completed with molecular data obtained using D2-D3 expansion segments of 28S rDNA, ITS1-rDNA, and partial 18S-rDNA. The phylogenetic relationships of this species with other Longidorus spp. using D2-D3 expansion segments and partial 18S-rDNA indicated that L. persicus n. sp. clustered together with L. perangustus and L. euonymus: both of them sharing an anteriorly flattened lip region and distinctly set off from body contour by a depression.
Publisher version (URL)http://doi.org/10.1007/s10658-016-0976-9
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