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Libros Libros 11 - 20 de 32 sobre ... the passage becomes clogged and the burrow more or less filled with the coarse...
" ... the passage becomes clogged and the burrow more or less filled with the coarse and fibrous fragments of wood, to get rid of which the grubs are often obliged to open new holes through the bark. The seat of their operations is known by the oozing of... "
The Trees of America: Native and Foreign, Pictorially and Botanically ... - Página 205
por Daniel Jay Browne - 1846 - 520 páginas
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Bulletin, Tema 7

1881
...new holes throngh the bark. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around...will become disfigured and weakened by large porous tumors, cansed by the efforts of the trees to repair the injuries they have suffered. According to...
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Bulletin, Volúmenes353-377

1914
...trunk of the tree. The seat of their operations is known by the oozing of the sap and the dropping of sawdust from the holes. The bark around the part attacked begins to swell, and in a few years the trunks and the limbs become disfigured by large porous tumors. The grubs attain their full size by...
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First Biennial Report, 1887-8

Kansas State Horticultural Society - 1889
...new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large, porous tumors, caused by the efforts...
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The Biennial Report of the Kansas State Horticultural Society, Volumen17

Kansas State Horticultural Society - 1889
...new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large, porous tumors, caused by the efforts...
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Biennial Report, Volumen17

Kansas State Horticultural Society - 1889
...new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around...part attacked begins to swell, and in a few years the trunks and limbs will become disfigured and weakened by large, porous tumors, caused by the efforts...
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Fifth Report of the United States Entomological Commission: Being a Revised ...

United States Entomological Commission, Alpheus Spring Packard - 1890 - 957 páginas
...new holes through the bark. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around...limbs will become disfigured and weakened by large poron» tumors, caused by the efforts of the trees to repair the injuries they have suffered. According...
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Report of the United States Entomological ..., Volumen5,Partes1886-1890

United States Entomological Commission - 1890
...seat of their operations is known by the ooziag of the sap and the dropping of the sawdust from th« holes. The bark around the part attacked begins to...limbs will become disfigured and weakened by large porona tumors, caused by the efforts of the trees to repair the injuries they have suffered. According...
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Fifth Report of the United States Entomological Commission: Being a Revised ...

United States Entomological Commission - 1890 - 957 páginas
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. Tbe bark around the part attacked begins to swell, and...will become disfigured and weakened by large porous tumors, caused by the efforts of the trees to repair the injuries they have suffered. According to...
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Agriculture of Pennsylvania, Volumen15

1891
...is known bv the oozing of the sap, and the dropping of the sawdust from the holes. The bark aroiind the part attacked begins to swell, and in a few years the trunk and limbs become disfigured and weakened by large porous tumors, caused by the efforts of the trees to repair...
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Annual Report of the Pennsylvania Department of Agriculture, Tema 2,Parte1

Pennsylvania. Dept. of Agriculture - 1897
...the place of their entrance. The seat of their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around...and in a few years the trunk and limbs will become disfig ured and weakened by large porous tumors, caused by the effort of the trees to repair the injuries...
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