. Eastern forest insects . COURTESY OF DUKE UNIV. SCH. OF FOREST. Figure 208.—Cross-section of bole of shortleaf pine killed by Ips calligraphus, showing develop- ment of blue-stain fungus, Cera- tostomella ips, in sapwood. F-519913 Figure 207.—Oak tree killed by the oak wilt fungus, Ceratocystis fagacearum. 502

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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectforestinsects