. Bulletin. E BORER From Concord, Hanover, and other places in the centralregion of the state, there has been considerable complaintregarding a borer in maple trees. Affected trees lookedunhealthy, having yellowed foliage and little of it; after mid-summer the bark of the trunks showed holes as large around asa lead-pencil. The injury was easily identified as that of theinsect long known as the Sugar Maple Borer.* This is nonew enemy to the maples of this state ; in 1828, Rev. L. of Keene, New Hampshire, studied the insect andgave the first account of its life-history to Dr. T. W. Ha
. Bulletin. E BORER From Concord, Hanover, and other places in the centralregion of the state, there has been considerable complaintregarding a borer in maple trees. Affected trees lookedunhealthy, having yellowed foliage and little of it; after mid-summer the bark of the trunks showed holes as large around asa lead-pencil. The injury was easily identified as that of theinsect long known as the Sugar Maple Borer.* This is nonew enemy to the maples of this state ; in 1828, Rev. L. of Keene, New Hampshire, studied the insect andgave the first account of its life-history to Dr. T. W. Harris,the author of the classic Insects Injurious to Vegetation. Sincethat time it appears to have been present throughout most ofNew England to a greater or less extent. The adult or perfect insect of this maple borer is a large andhandsome beetle, of the shape and size represented in Fig. is about an inch long, with a rounded body and rather longfeelers or antenna;. The head, writes Dr. Harris, is yel-. Fig. 3. Beetle of Maple Borer. (After Saunders). low with the antennas and the eyes reddish-black ; the thoraxis black, with two transverse yellow spots on each side ; thewing covers for about two-thirds of their length are black ; theremaining third is yellow, and they are ornamented with bandsand spots arranged in the following manner: a yellow spot oneach shoulder, a broad, yellow, curved band or arch, of whichthe yellow scutel forms the keystone on the base of the wing-covers ; behind this is a zig-zag yellow band, forming the letter * Glycobius speciosus. 8 W, across the middle another yellow band arching backwards,and on the yellow tip a black, curved band and spot; the legsare yellow ; and the under side of the body is reddish-yellow,variegated with brown. These beetles come forth from their burrows in the tree dur-ing July and August. During the latter month they lay eggsin the bark of sugar maples, selecting almost any part of thetrunk for this purpose. In a short
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