Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" ... 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 sap and the dropping of the saw-dust from the holes. The bark around the part... "
Annual Report of the American Institute of the City of New York - Page 424
by American Institute of the City of New York - 1853
Full view - About this book

Bulletin, Issue 7

1881
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell, and in a few years the trunk and limbs will become disfigured and weakened by large porous tumors, cansed by the efforts of...
Full view - About this book

Bulletin, Volumes 353-377

1914
...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 the twentieth...
Full view - About this book

First Biennial Report, 1887-8

Kansas State Horticultural Society - 1889
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell,...the trees to repair the injuries they have suffered. The grubs attain their full size by the 20th of July, soon become pupee, and are changed to beetles,...
Full view - About this book

Biennial Report, Volume 17

Kansas State Horticultural Society - 1889
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell,...the trees to repair the injuries they have suffered. The grubs attain their full size by the 20th of July, soon become pupae, and are changed to beetles,...
Full view - About this book

The Biennial Report of the Kansas State Horticultural Society, Volume 17

Kansas State Horticultural Society - 1889
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell,...the trees to repair the injuries they have suffered. The grubs attain their full size by the 20th of July, soon become pupae, and are changed to beetles,...
Full view - About this book

Report of the United States Entomological ..., Volume 5, Parts 1886-1890

United States Entomological Commission - 1890
...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 swell, and in a few years the trunk and limbs will become disfigured and weakened by large porona tumors, caused by the efforts of...
Full view - About this book

Fifth Report of the United States Entomological Commission: Being a Revised ...

United States Entomological Commission, Alpheus Spring Packard - 1890 - 957 pages
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell, and in a few years the trunk and limbs will become disfigured and weakened by large poron» tumors, caused by the efforts...
Full view - About this book

Fifth Report of the United States Entomological Commission: Being a Revised ...

United States Entomological Commission, Alpheus Spring Packard - 1890 - 957 pages
...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 in a few years the trunk and limbs will become disfigured and weakened by large porous tumors, caused by the efforts of...
Full view - About this book

Agriculture of Pennsylvania

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...
Full view - About this book

Annual Report of the Pennsylvania Department of Agriculture, Issue 2, Part 1

Pennsylvania. Dept. of Agriculture - 1897
...their operations is known by the oozing of the sap and the dropping of the sawdust from the holes. The bark around the part attacked begins to swell, and in a few years the trunk and limbs will become disfig ured and weakened by large porous tumors, caused by the effort of...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF