 | Missouri Botanical Garden - 1905 - 378 páginas
...perforates a hole the size of a half inch auger, or large enough to admit the little finger. * * * This hole running inward to the heart of the tree,...and the tree never regains its previous soundness." The moth seems to lay her eggs on either healthy or injured trees with no decided preference for either... | |
 | West Virginia University. Agricultural Experiment Station - 1891 - 950 páginas
...hole the size of an half-inch auger, or large enough to admit the little finger, and requires three or four years for the bark to close together over...water thereto from every shower that passes, causes the decay in the wood to commence, and the tree never regains its previous soundness. These worms probably... | |
 | Indiana. Commissioner of Fisheries and Game - 1906 - 826 páginas
...hole the size of an half-inch augur, or large enough to admit the little finger, and requiring three or four years for the bark to close together over...running inward to the heart of the tree, and admitting water thereto from every shower that passes, causes a decay in the wood to commence, and the tree never... | |
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It perforates a hole the size of a half-inch auger, or large enough to admit the little finger, and requiring three or four years for the bark to close together over it. This hole running inward to the heart of the tree, and admitting the water thereto... 
