. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 455. — Work of the Fruit tree Leaf-roller. Original. (Archips (Cacacia) argyro&pila Walk.) The young leaves and fruit of or- chard trees and bush fruits are at- tacked by yellowish larvae, which spin threads wherever they go, drawing leaves somewhat together. The full-grown worm is about an inch long, has a black head, and has a few short hairs scattered over its body. It is active when disturbed. The pest appears ver\' early in spring, when the buds are first unfolding. It hatches from eggs laid in


. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 455. — Work of the Fruit tree Leaf-roller. Original. (Archips (Cacacia) argyro&pila Walk.) The young leaves and fruit of or- chard trees and bush fruits are at- tacked by yellowish larvae, which spin threads wherever they go, drawing leaves somewhat together. The full-grown worm is about an inch long, has a black head, and has a few short hairs scattered over its body. It is active when disturbed. The pest appears ver\' early in spring, when the buds are first unfolding. It hatches from eggs laid in flat masses on the bark. There is one generation annually. Early spra^-ing with arsenate of lead or Paris green at the time that the buds are opening, and again when the blossoms have ^t *f---^d"!*^ °f the Jtruit-tree Leaf-roller, fallen, is the means of control. 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912