Author： Zhuo Kan
Publisher： Brill
ISSN： 1568-5411
Source： Nematology, Vol.9, Iss.2, 2007-04, pp. : 237-242
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Abstract
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 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, 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 m long. Both sexes are of moderate body length ranging from 676-1088 m in the female and 552-1083 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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