Bursaphelenchus uncispicularis n. sp (Nematoda : Parasitaphelenchidae) from Pinus yunnanensis in China
文献类型: 外文期刊
第一作者: Zhuo, Kan
作者: Zhuo, Kan;Li, Xundong;Li, Danlei;Yu, Shengfu;Liao, Jinling
作者机构:
关键词: description;morphology;morphometrics;new species;taxonomy
期刊名称:NEMATOLOGY ( 影响因子:1.442; 五年影响因子:1.485 )
ISSN: 1388-5545
年卷期: 2007 年 9 卷
页码:
收录情况: SCI
摘要: 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 mu m 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, thom-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 mu m long. Both sexes are of moderate body length ranging from 676-1088 mu m in the female and 552-1083 mu m 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.
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