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Among the borers which do most injury in destroying valuable timber are the hickory-bark beetle, the bark-boring grubs which kill oak, chestnut, birch and poplar trees, the locust borer, the chestnut timber-worm and the Columbian timber beetle.
This feeble insect is not capable of perforating my partitions; it nibbles at them a little; and I had to judge the direction from the marks of its mandibles. These marks, which are not always very plain, do not yet allow me to pronounce an opinion. Solenius vagus, who is a skilful borer, behaved differently from the Osmia. In a column of ten, the whole exodus was made in one direction.
However, I think that even now we have sufficient confidence in striking to be able to hold the borer without any fear of an accident." The next day they began work early in the cellar. Jose volunteered to take the first turn to hold the drill. "You understand, Jose, you must turn it round a little after each stroke, and in that way it will cut the hole regularly."
H. A. Kaundinya in 1857 being the first to perish, and though, as we have seen, owing to the introduction of shade, the Borer has been largely brought into subjection, considerable damage still takes place from it. Neither trouble nor expense has been spared in order to find an antidote to this pest.
Wheeler, who had heard something from Gordon, looked at him with grave sympathy, but Nasmyth made an expressive gesture as he glanced down at his attire. "Well," he remarked, "I probably look very much what I am a played-out borer of headings and builder of dams, who has just now everything against him. Still, I was fool enough to indulge in some very alluring fancies a little while ago."
After many "How are ye, Jims's" and mutual speirings over a "bit mouthful of yill" so they phrased it; but that was a meiosis, for they drank five quarts they fell to a serious discussion of the commercial possibilities of Scotland. The borer was of the opinion that the Braes of Barbie had a future yet, "for a' the gaffer was so keen on keeping his men in the dark about the coal."
By midday we were at the rapids, by no means formidable, but with a ticklish place or two, and got to Pelican Portage in the evening, where were several shanties and a Hudson's Bay freighting station. Here, too, is a well which was sunk for petroleum, but which struck gas instead, blowing up the borer.
Renovation pits left open in the hot weather, large clod-digging in a light soil even under fair shade, weeds left standing in dry weather; all these, by increasing evaporation, tend to cause increase of damage from Borer. A hard caked surface, or a compact, undug soil is equally bad.
If this small pest obtains lodgment in a barn, or in the oak finish or furniture of a house, it is likely to do a vexatious amount of damage, and no practicable method of checking its ravages has been found. Varnishes do not exclude it. Boiling will kill the borer, but furniture and wainscotings are not easily boiled.
This Borer, like the leaf disease, has probably always attacked coffee, but the earliest probable notice of it is to be found in Mr. Stokes's Report on the Nuggur Division of Mysore, in about 1835, where he observes that coffee trees in dry seasons often wither and snap off suddenly at the root.
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