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Hunting Nematodes in the Pine Forests of Northern Greece: A Preliminary Overview after One Year of Surveys

Pine wood nematode (PWN) Bursaphelenchus xylophilus is one of the most important forest tree pathogens worldwide, causing Pine Wilt Disease. Facilitated by international trade, PWN has expanded beyond its natural range becoming one of the most notorious quarantine pests. To prevent its further expansion, national survey programs are being widely established. Accordingly, such a network has also been established in Greece collecting and examining wood samples nationwide. So far, B. xylophilus was absent from all samples examined, although four other Bursaphelenchus species were identified, along with other nematode taxa. Evidently, besides preventing the introduction of B. xylophilus, national survey programs can further increase our knowledge regarding tree-inhabiting nematodes.