Description of Bursaphelenchus Lignicolus N. Sp. (Nematoda: Aphelenchoididae) From Pine Wood and Histopathology of Nematode-Infested Trees

摘要: Bursaphelenchus lignicolus n. sp. is described and illustrated from wood of pine trees (Pinus densiflora Sieb. et Zucc. P. thunbergii Parl.) in Japan. This new species can be distinguished other the genus by a distinct vulvar flap shape spicules. The nematode widespread throughout central to southwestern Japan association with dead virulent epidemic forests. Histopathological studies revealed that B. occurred mostly axial radial resin canals infested but epithelial cells were also damaged.