 ... 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...  American Agriculturist - Page 3451846Full view - About this book
 | Ontario. Legislative Assembly - 1878 - 636 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 winding and irregular passage being in an upward direction from the place of their entrance. For a time they cast their chips... | |
 | 1879 - 530 pages
...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,... | |
 | 1880 - 674 pages
...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,... | |
 | 1881 - 284 pages
...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... | |
 | Thaddeus William Harris - 1862 - 694 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... | |
 | Kansas State Horticultural Society - 1889 - 520 pages
...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.... | |
 | Kansas State Horticultural Society - 1889 - 516 pages
...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... | |
 | Kansas State Horticultural Society - 1889 - 518 pages
...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... | |
 | Kansas State Horticultural Society - 1889 - 522 pages
...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... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1058 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... | |
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