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Bursaphelenchus uncispicularis n. sp. (Nematoda: Parasitaphelenchidae) from Pinus yunnanensis in China

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For more content, see Nematologica.

Bursaphelenchus uncispicularis n. sp. is described and figured. The nematode was found in wilted pine Pinus yunnanensis Franchet from a single locality in Longling county, Yunnan Province, China. The new species is characterised by a relatively small stylet (11-15 μm long) with weakly developed basal swellings and lateral fields bearing four incisures. The male has relatively small, arcuate spicules with a distinct, dorsally bent, hook-like condylus, thorn-like rostrum, distinct cucullus and an ovoid terminal 'bursa' with minutely tripartite terminus. The female has a minute vulval flap and a conical tail with a relatively robust and blunt projection ca 1.2-4.5 μm long. Both sexes are of moderate body length ranging from 676-1088 μ m in the female and 552-1083 μm in the male with a slender body (a = 37-54 in the female and 36-54 in the male) and a relatively short tail (c = 26-39 in the female and 31-45 in the male). Bursaphelenchus uncispicularis n. sp. most closely resembles B. borealis, B. leoni and B. silvestris. However, the new species is easily distinguished from these three species by a number of characters including spicule size and shape, female tail shape and length, and postvulval uterine sac length.

Affiliations: 1: Laboratory of Plant Nematology, South China Agricultural University, Guangzhou, 510642, China; Laboratory of Agricultural Environment Protection, Biotechnology Research Institute, Fujian Academy of Agricultural Sciences, Fuzhou, 350003, China; 2: Laboratory of Plant Nematology, South China Agricultural University, Guangzhou, 510642, China; Yunnan Academy of Agricultural Sciences, 650205, China; 3: Laboratory of Plant Nematology, South China Agricultural University, Guangzhou, 510642, China; Key Laboratory for Plant Pathology of Yunnan Province, Yunnan Agricultural University, Kunming, 650201, China; 4: Key Laboratory for Plant Pathology of Yunnan Province, Yunnan Agricultural University, Kunming, 650201, China; 5: Laboratory of Plant Nematology, South China Agricultural University, Guangzhou, 510642, China

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/content/journals/10.1163/156854107780739090
2007-04-01
2016-12-10

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