. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 17 The San Jose scale attacks all of our orchard ti'ees, but a\)pears to be most destructive to pear and peach. The insect is represented in winter by partly grown specimens whose development was stopped by the cold weather. They resume growth in the early spring; the males soon appear, mate with the females, and the latter give })irth to living young. At Washington, D. C, this time is about the middle of Ma}', and the young continue to appear for about six weeks. The larva crawls off a little way, settles, and w


. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 17 The San Jose scale attacks all of our orchard ti'ees, but a\)pears to be most destructive to pear and peach. The insect is represented in winter by partly grown specimens whose development was stopped by the cold weather. They resume growth in the early spring; the males soon appear, mate with the females, and the latter give })irth to living young. At Washington, D. C, this time is about the middle of Ma}', and the young continue to appear for about six weeks. The larva crawls off a little way, settles, and within two days begins 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 United States. Bureau of Entomology. Washington : G. P. O.


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Keywords: ., bookcentury1800, booksubjectentomology, booksubjectinsects, booky