. Forest protection and conservation in Maine, 1919. Forests and forestry. 146 FOREST PROTECTION AND CONSERVATION spruce and fir, showing the characteristic work of this in- sect. In some cases the empty pupal skins still adhered to in- jured twigs. Along the wood- land trail from York's Camp, Loon Lake, to Richard- son's Camp,Ken- nebago Lake, quite a number of the balsams have been killed during the last several years, but a large per- centage even of the larger growth had es- caped. But rela- tively few spruce trees were dead, although many showed the ef- fects of partial defoliation in the
. Forest protection and conservation in Maine, 1919. Forests and forestry. 146 FOREST PROTECTION AND CONSERVATION spruce and fir, showing the characteristic work of this in- sect. In some cases the empty pupal skins still adhered to in- jured twigs. Along the wood- land trail from York's Camp, Loon Lake, to Richard- son's Camp,Ken- nebago Lake, quite a number of the balsams have been killed during the last several years, but a large per- centage even of the larger growth had es- caped. But rela- tively few spruce trees were dead, although many showed the ef- fects of partial defoliation in the presence of dead branches and leaders. The work of the caterpillar during the past summer (1919) has resulted in only partial defoliation, and in practically all cases observed, the trees will doubtless recover. Ap- parently the present infestation has at no time been disastrously heavy in this locality. The observations in Piscataquis County were made during the latter part of July in company with Dr. C. T. Brues, of the Depart- ment of Entomology of Bussey Institution, Harvard University, and Mr. H. B. Shepard, Forester for the Eastern Manufacturing. YOUNG POPLAR. Although only twelve years old some of them are five inches in diameter breast height. Photo by Maine Forestry 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 Maine. Forest Commissioner; Colby, Forrest H. [Lewiston, Me. , Journal Printshop and Bindery]
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry
