 | Kansas State Horticultural Society - 1889
...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 or...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,... | |
 | Kansas State Horticultural Society - 1889
...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 or...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,... | |
 | Kansas State Horticultural Society - 1889
...the passage becomes clogged and the burrow more or less filled with the coarse and fibrous fragmenta of wood, to get rid of which the grubs are often obliged...the trees to repair the injuries they have suffered. The grubs attain their full size by the 20th of July, soon become ðïðø, and are changed to beetles,... | |
 | United States Entomological Commission - 1890
...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 the trees to repair...this insect, the grubs attain their full size by the 20th of July, soon become pnpre, and are changed to beetles and leave the trees early in September.... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 957 pages
...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...of General HAS Dearborn, who has given an excellent acconnt of this insect, the grubs attain their full size by the 20th of July, soon become pupat, aud... | |
 | United States Entomological Commission, Alpheus Spring Packard - 1890 - 957 pages
...swell, and in a few years the trunk and limbs will become disfigured and weakened by large poron» tumors, caused by the efforts of the trees to repair...of General HAS Dearborn, who has given an excellent acconnt of this insect, the grubs attain their full size by the 20th of July, soon become pnpie, and... | |
 | 1891
...of the trees to repair the injuries which they have suffered. According to the observations of Genl. HAS Dearborn, who has given an excellent account of...this insect, the grubs attain their full size by the 20th of July, soon become pupa and changed to beetles and leave the trees early in September. Thus... | |
 | Pennsylvania. Department of Forests and Waters - 1898
...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...trees to repair the injuries they have suffered." The beetle is about three-fourths of an inch in length, velvet black and ornamented with yellow transverse... | |
 | Pennsylvania. Dept. of Agriculture - 1898
...holes. The .bark around the part attacked begins to swell, and in a few years the trunk and liirbs will become disfigured and weakened by large porous...trees to repair the injuries they have suffered." The beetle is about three-fourths of an inch in length, velvet black and ornamented with yellow transverse... | |
 | 1906
...Locust Borer. Original. Fig. 41. KKKS of I-ocust Borer, much enlarged. Af ter JS Houscr, Ohio Bui. m. burrow into the bark, devouring the soft inner substance...they have suffered. According to the observations of Gen. HAS Dearborn, who has given an excellent account of this insect, the grubs attain their full size... | |
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... 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 sawdust from the holes. The bark around the part attacked... 
