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Bark beetle conditions, Northern Region, 1993

, : Bark beetle conditions, Northern Region, 1993. Forest Pest Management Report Northern Region, USDA Forest Service ( 94-3): ii + 30 pp.

Notes are given, by pest and by reporting area, on damage caused by 8 species of bark beetles (Dendroctonus spp., Ips pini, Scolytus ventralis, Dryocoetes confusus) to conifers (Pinus spp., Abies spp., Pseudotsuga menziesii and Picea engelmannii) in the Northern Region, comprising North Dakota, Montana and northern Idaho.

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