. Forest insect conditions in British Columbia [microform] : a preliminary survey. Insect pests; Arbres; Forest insects; Insectes nuisibles; Insectes forestiers; Trees. ;y. Fig. 18—Innor tare of luirk from the trunk of u Sitka Sprucr killed by the Sitku Spruce Hirk bwtlc. Portions of two E(«-tunncls are shown, and the cfTcrt of the larvae in ' almost eompli'toly destroying the inner bark. Menzies'.Bay, Vane. Isl. (Orininal). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustratio
. Forest insect conditions in British Columbia [microform] : a preliminary survey. Insect pests; Arbres; Forest insects; Insectes nuisibles; Insectes forestiers; Trees. ;y. Fig. 18—Innor tare of luirk from the trunk of u Sitka Sprucr killed by the Sitku Spruce Hirk bwtlc. Portions of two E(«-tunncls are shown, and the cfTcrt of the larvae in ' almost eompli'toly destroying the inner bark. Menzies'.Bay, Vane. Isl. (Orininal). 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 Swaine, J. M. (James Malcolm), 1878-1955; Canada. Division of Entomology; Dominion Experimental Farms and Stations (Canada). Ottawa : Govt. Print. Bureau
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Keywords: ., bookcentury1900, bookdecade1910, bookpubl, booksubjectinsectpests
