Abstract
Bursaphelenchus arthuroides sp. n. is described and figured from pine packaging wood originating in Brazil, and inspected in Ningbo harbour, P. R. China. The new species clearly belongs to the fungivorus group. It is characterised by four lines in the lateral field; spicules medium sized (15-17 μm), dorsal part distinctly sclerotised, with a high rounded condylus and a blunted pointed rostrum in the middle position, capitulum with a shallow depression, the posterior third of the dorsal limb ventrally bent, distal end broadly rounded without cucullus; the shape of the female tail conical and slim, posterior third distinctly ventrally bent with a finely pointed terminus; vulval lips slightly protruding but not forming a vulval flap and post-uterine sac extending for about half the vulva-anus distance. Species status is supported by ITS-RFLP patterns and molecular phylogenetic analysis based on partial LSU sequences, ITS1/2 and partial LSU sequences, which revealed that B. arthuroides sp. n. is closest to B. arthuri. Propagation tests also confirmed that the new species is parthenogenetic.
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