Heilongjiang Province Key Laboratory of Forest Protection;
College of Forestry;
Northeast Forestry University;
150040 Harbin;
People’s Republic of China;
Key Laboratory of Saline-Alkali Vegetation Ecology Restoration;
Ministry of Education;
College of Life Sciences;
Northeast Forestry University;
Hexing Road 26;
Xiangfang District;
150040 Harbin;
People’s Republic of China;
Bursaphelenchus xylophilus; Bursaphechus mucnatus; Morphological classification; Nematode-trapping fungi;