Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" ... the approach of winter, during which they remain at rest in a torpid state. In the spring they bore through the sapwood, more or less deeply into the trunk, the general course of their winding and irregular passages, being in an upward direction from... "
The American Agriculturist - Page 345
1846
Full view - About this book

Sessional Papers - Legislature of the Province of Ontario, Volume 1

Ontario. Legislative Assembly - 1878
...winter, during which they remain at rest in a torpid state. In the spring they bore through the sap-wood, more or less deeply into the trunk, the general course of their winding and irregular passage being in an upward direction from the place of their entrance. For a time they cast their chips...
Full view - About this book

The Canadian Entomologist, Volumes 11-12

1879
...during which they remain at rest in a torpid state. In the spring they bore through the soft wood, more or less deeply into the trunk, the general course...irregular passages being in an upward direction from their place of entrance. For a time they cast their chips out of their holes as fast as they are made,...
Full view - About this book

The Canadian Entomologist, Volumes 12-13

1880
...during which they remain at rest in a torpid state. In the spring they bore through the soft wood, more or less deeply into the trunk, the general course...irregular passages being in an upward direction from their place of entrance. For a time they cast their chips out of their holes as fast as they are made,...
Full view - About this book

Bulletin, Issue 7

1881
...their winding and irregnlar passages being in an npward direction from the plaee of their entranee. For a time they cast their chips out of their holes...clogged and the burrow more or less filled with the coarae and fibrous fragments of wood, to get rid of which the grubs are often obliged to open new holes...
Full view - About this book

A Treatise on Some of the Insects Injurious to Vegetation

Thaddeus William Harris - 1862 - 640 pages
...state. In the spring they bore through the sap-wood, more or less deeply into the trunk, the genera,! course of their winding and irregular passages being...of their holes as fast as they are made, but after a while the passage becomes clogged and the burrow more or less filled with the coarse and fibrous...
Full view - About this book

First Biennial Report, 1887-8

Kansas State Horticultural Society - 1889
...in an upward direction from the place of their entrance. For a time they cast their chips out of the holes as fast as they are made, but after awhile the...burrow more or less filled with the coarse and fibrous fragmenta of wood, to get rid of which the grubs are often obliged to open new holes through the bark....
Full view - About this book

First Biennial Report, 1887-8

Kansas State Horticultural Society - 1889
...sap-wood more or less deeply into the trunks, the general course of their winding and irregular passage being in an upward direction from the place of their...entrance. For a time they cast their chips out of the holes as fast as they are made, but after awhile the passage becomes clogged and the burrow more...
Full view - About this book

Biennial Report, Volume 17

Kansas State Horticultural Society - 1889
...sap-wood more or less deeply into the trunks, the general coarse of their winding and irregular passage being in an upward direction from the place of their...entrance. For a time they cast their chips out of the holes as fast as they are made, but after awhile the passage becomes clogged and the burrow more...
Full view - About this book

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

Kansas State Horticultural Society - 1889
...or less deeply into the trunks, the general course of their winding and irregular passage being tn an upward direction from the place of their entrance. For a time they cast their chips out of the holes as fast as they are made, but after awhile the passage becomes clogged and the burrow more...
Full view - About this book

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

United States Entomological Commission - 1890 - 957 pages
...winter, during which they remain at rest in a torpid state. In the spring they bore through the sap-wood more or less deeply into the trunk, the general course...of their holes as fast as they are made, but after a while the passage becomes clogged and the burrow more or less filled with the coarse aud fibrous...
Full view - About this book




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