. Canadian forestry journal. Forests and forestry -- Canada Periodicals. 90 Canadian Forestry Journal June, 1915. t ^ -i c ™ „ /!„;«„. -R,,!! PitiP at Prinrpton B C showing tunnels of the beetles which have ''^'^^ kiUeV h'e'tre?-!.'' E^^Tun^nl ^of" the' ReTCpentine' Bavk-b^ Larval-chambers of the same excavalld by the young larvae working in Egg-tunnels of the Western Pine Bark-beetle, showing egg-niches, and a few larval- tunne'.s. The boring-dust has been largely Please note that these images are extracted from scanned page images that may have been digital

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. Canadian forestry journal. Forests and forestry -- Canada Periodicals. 90 Canadian Forestry Journal June, 1915. t ^ -i c ™ „ /!„;«„. -R,,!! PitiP at Prinrpton B C showing tunnels of the beetles which have ''^'^^ kiUeV h'e'tre?-!.'' E^^Tun^nl ^of" the' ReTCpentine' Bavk-b^ Larval-chambers of the same excavalld by the young larvae working in Egg-tunnels of the Western Pine Bark-beetle, showing egg-niches, and a few larval- tunne'.s. The boring-dust has been largely Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Canadian Forestry Association. [Ottawa] : Canadian Forestry Association

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