Spruce Bark Beetle infested white spruce tree in Alaska showing characteristic pitch tube on bark of trunk
ID: 1573774495
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- 大图:4681 × 3745 像素·39.63 cm × 31.71 cm·300dpi·JPG
- 中图:1000 × 800 像素·35.28 cm × 28.22 cm·72dpi·JPG
- 小图:500 × 400 像素·17.64 cm × 14.11 cm·72dpi·JPG