DNemFIG 4: Bursaphelenchus xylophilus dauers spread pine wilt disease..
A. Damage to pine trees due to B. xylophilus infection. (Image source: USDA Forest Service - North Central Research Station Archive, USDA Forest Service, bugwood.org. Obtained from forestryimages.org.)
B. Bursaphelenchus xylophilus within an axial resin canal of pinewood (Pinus densiflora). (Image source: Y. Mamiya, bugwood.org. Obtained from forestryimages.org.)
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