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Date: 2014-03-19 15:29:16Woodboring beetles Dendroctonus rufipennis Bark beetle Picea sitchensis Picea glauca Picea mariana Spruce Grouse Picea engelmannii Taiga Flora of the United States Flora Curculionidae | Forest Insect & Disease Leaflet 180 September[removed]U.S. Department of AgricultureDocument is deleted from original location. Download Document from Web Archive |