 York, and of yellow pine (P. variabilia) in the States south of us. Whilst it is old and decaying or dead trees that most of the larger borers which we have described above attack, this small insect is liable to invade trees that are in full health and...  Transactions - Ottawa Field-Naturalists' Club - Page 32by Ottawa Field-Naturalists' Club - 1880Full view - About this book
 | New York State Agricultural Society - 1858 - 872 pages
...most of the larger borers which we have described above attack, this small insect is liable to invade trees that are in full health and vigor, those that are young as well as old, mining beneath the bark and loosening it from the wood, so completely separating it that it breaks... | |
 | Oklahoma. Adjutant-general's office - 1859 - 354 pages
...most of the larger borers which we have described above attack, this small insect is liable to invade trees that are in full health and vigor, those that are young as well as old, mining beneath the bark and loosening it from the wood, so completely separating it that it breaks... | |
 | Ottawa Field-Naturalists' Club - 1880 - 674 pages
...been named the " wood-engraving" bark-beetle. It is said by Fitch to be " the most common and pvobably the most pernicious of all the insects infesting the...laid in notches, and, as soon as hatched, the young larva) proceed to mine slender passages for themselves, working outward from the original one, and... | |
 | Ottawa Field-Naturalists' Club - 1881 - 610 pages
...one-sixteenth of an inch in diameter. The thorax is nearly as long as the body, and is bluntly rounded in front, the head being deeply sunken in it and almost...laid in notches, and, as soon as hatched, the young larvie proceed to mine slender passages for themselves, working outward from the original one, and... | |
 | 1881 - 284 pages
...most of the larger borers which we have described above attack, this small insect is liable to invade trees that are in full health and vigor, those that are young as well as old, mining beneath the bark and loosening it from the wood, so coInpletely separating it that it breaks... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1058 pages
...most of the larger borers which we have described above attack, this small insect is liable to invade trees that are in full health and vigor, those that are young as well as old, mining beneath the bark and loosening it from the wood, so completely separating it that it breaks... | |
 | United States Entomological Commission - 1890 - 1078 pages
...most of the larger borers which we have described above attack, this small insect is liable to invade trees that are in full health and vigor, those that are young as well as old, raining beneath the bark and loosening it from tbe wood, so completely separating it that it breaks... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 1060 pages
...borers which we have described above attack, this small insect is liable to invade trees that are iu full health and vigor, those that are young as well as old, mining beneath the bark and loosening it from the wood, so completely separating it that it breaks... | |
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