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Libros Libros 21 - 30 de 30 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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Report

Pennsylvania. Department of Forests and Waters - 1898
...through the bark. The seat of their operations is known by the oozing of the sap and the droppings of the sawdust from the holes. The bark around the...will become disfigured and weakened by large porous tumors, caused by the efforts of the trees to repair the injuries they have suffered." The beetle is...
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Annual Report of the Pennsylvania Department of Agriculture, Parte2

Pennsylvania. Department of Agriculture - 1898
...through the bark. The seat of their operations is known by the oozing of the sap and the droppings of the sawdust from the holes. The .bark around the...begins to swell, and in a few years the trunk and liirbs will become disfigured and weakened by large porous tumors, caused by the efforts of the trees...
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Report, State Entomologist of Minnesota to the Governor, Volúmenes12-14

1908
...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 lirnbs will become disfigured and weakened by large porous tumors, caused by the efforts...
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Report

Minnesota. State Entomologist - 1908
...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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Annual Report, Volumen2,Parte1

New York (State). Dept. of Agriculture - 1917
...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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Annual Report of the New York State College of Agriculture at ..., Volumen1

New York State College of Agriculture - 1917
...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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Annual Report - Entomological Society of Ontario

Entomological Society of Ontario - 1877
...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 tumours, caused by the efforts...
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Forest Leaves, Volúmenes3-5

1890
...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...will become disfigured and weakened by large porous tumors, caused by the effort of the trees to repair the injuries they have suffered The grubs attain...
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Annual Report - Entomological Society of Ontario: 1871-1876, Volúmenes2-8

Entomological Society of Ontario - 1872
...open new holes through the bark. The seat of their operations is known by the oozmg 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 tumours, caused by the efforts...
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Sessional Papers - Legislature of the Province of Ontario, Volumen1

1874
...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 tumours caused by the efforts...
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