. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Note work of borer just where treat- ment with carbolineum ends. Shown by arrow. Carbolineum treatment ends at arrow point A. Note the two borers near base of the tree. SUMMAKY. The poplar and willow borer is a serious pest in restricting the production of Carolina poplars in our nurseries. Many nurseries have either given up raising them or are planning to do so. The trees attacked l)y this lieetle include a wide variety of poplars {Fopulus spp.) and willows {Salix spp.). Tiie trees are valuable b
. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Note work of borer just where treat- ment with carbolineum ends. Shown by arrow. Carbolineum treatment ends at arrow point A. Note the two borers near base of the tree. SUMMAKY. The poplar and willow borer is a serious pest in restricting the production of Carolina poplars in our nurseries. Many nurseries have either given up raising them or are planning to do so. The trees attacked l)y this lieetle include a wide variety of poplars {Fopulus spp.) and willows {Salix spp.). Tiie trees are valuable both as ornamental, shade and forest trees and the depredations of this insect are sometimes serious. Almost perfect control was secured by treati]ig the trunk of infested trees, under nursery conditions, with carbolineum. The material is inexpensive and easily 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 Entomological Society of Ontario; Ontario. Dept. of Agriculture. Toronto, The Society
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872
