. The American farmer. A complete agricultural library, with useful facts for the household, devoted to farming in all its departments and details. The round-headed apple-tree borer (^Saper-da Candida) is one of the most injurious to!*^ ^ i^ /^ apple orchards, being rivaled only by the flat-headed borer (Chrysoboihris femorala).According to Prof. Eiley this insect remainsin the tree three years from the time it ishatched. Mr. D. B. Weir of Illinois, whohas made a thorough study of this species, says:?As soon as hatched the young grubso begin to gnaw their way into the bark of the THE EouND-nEA
. The American farmer. A complete agricultural library, with useful facts for the household, devoted to farming in all its departments and details. The round-headed apple-tree borer (^Saper-da Candida) is one of the most injurious to!*^ ^ i^ /^ apple orchards, being rivaled only by the flat-headed borer (Chrysoboihris femorala).According to Prof. Eiley this insect remainsin the tree three years from the time it ishatched. Mr. D. B. Weir of Illinois, whohas made a thorough study of this species, says:?As soon as hatched the young grubso begin to gnaw their way into the bark of the THE tecr bv mcaus of strong, sharp jaws. They APPLE-TREE BORER. • t i i c, beetle. do not Usually penetrate directly through, but reach the liber or inner bark half an inch distant from the point of entrance. In theirpassage through the bark they shove their excrement and refuse out through the opening oftheir burrow, and being of a glutinous nature it collects around its mouth in a mass as largeas half a bean, or in the shape of a tear. These excretions are usually of an orange color,and are at once recognized by the experienced
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectagriculture, bookyear
