. Agriculture through the laboratory and school garden. A manual and text-book of elementary agriculture for schools. Agriculture. 334 AGRICULTURE. helpers in keeping boring insects in check— such as woodpeckers, ichneumon-flies, Chalcis flies, etc. In combating all kinds of borers an ounce of prevention is, indeed, worth more than a pound of cure. Prompt removal of all dead or dying trees is a necessary measicre. The most effective preventive is to wrap the base of. FIG. 122.—Sapcrda Candida, Fab. a—Puncture in which egg is laid. 3—Same in section ^'—Hole from which beetle has emerged, y"
. Agriculture through the laboratory and school garden. A manual and text-book of elementary agriculture for schools. Agriculture. 334 AGRICULTURE. helpers in keeping boring insects in check— such as woodpeckers, ichneumon-flies, Chalcis flies, etc. In combating all kinds of borers an ounce of prevention is, indeed, worth more than a pound of cure. Prompt removal of all dead or dying trees is a necessary measicre. The most effective preventive is to wrap the base of. FIG. 122.—Sapcrda Candida, Fab. a—Puncture in which egg is laid. 3—Same in section ^'—Hole from which beetle has emerged, y"—Same in section, g—Pupa in its cell. (After Riley.) the tree trunk for about a foot and a half with wire gauze netting, or, what is cheaper, wooden wrappers obtained from box and basket fac- tories. They should be pushed down into the ground so that the beetle cannot get under to lay its eggs, and the tops should be tightly filled in with cotton batting to keep them out. The. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Jackson, Caroline Ruth, 1871-; Daugherty, Amelia (Crum) "Mrs. L. S. Daughery. " 1859-. New York, O. Judd company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagriculture, bookyear