Abstract
Bursaphelenchus saudi n. sp., isolated in Ningbo, P.R. China, from Pinus packaging wood imported from Saudi Arabia, is described. It is characterised by four lateral lines, excretory pore located between metacorpus and nerve ring (anterior to median bulb before cultured), presence of a thick vulval flap, post-uterine branch ca two-thirds of the vulva-anus distance long, female tail hook-like (slightly ventrally bent before cultured), long and conical, tapering to a bluntly rounded terminus, spicules transversely striated with weakly developed rostrum and condylus, a single precloacal papilla and three pairs of ventro-sublateral papillae (one pair precloacal, two pairs postcloacal just anterior to bursal flap and adjacent to each other). It belongs to the africanus-group of the genus Bursaphelenchus and is most close to B. paraburgeri, B. burgermeisteri and B. obeche. It is distinguished from other Bursaphelenchus species by morphology, ITS-RFLP patterns and partial 18S, ITS and 28S D2-D3 rDNA gene sequencing results.
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