Abstract A new distribution map is provided for Bursaphelenchus xylophilus (Steiner and Buhrer) Nickle. Nematoda: Aphelenchida: Aphelenchoididae. Hosts: Pinus spp. Information is given on the geographical distribution in Europe (Portugal, Madeira, Mainland Portugal and Spain), Asia (China, Anhui, Chongqing, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hong Kong, Hubei, Hunan, Jiangsu, Jiangxi, Liaoning, Shaanxi, Shandong, Sichuan, Yunnan, Zhejiang, Japan, Korea Republic and Taiwan) and North America (Canada, Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland, Northwest Territories, Nova Scotia, Nunavut, Ontario, Quebec, Saskatchewan, Yukon Territory, Mexico, USA, Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Tennessee, Texas, Vermont, Virginia, West Virginia and Wisconsin).