. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 250 PESTS OF ORCHARD AXD SMALL FRUITS The Apple Twig-borer {Schhstoctros hamatus Fab.) In early summer the twigs of apple, chern", or pear, or the canes of erape may show characteristic little tunnels, berinning just above a shoot or bud, and extending down a short distance in the main stem or branch. They are the work of a small, dark brown beetle, about one third of an inch in length, which soon deserts its temporary burrow and is not likely to be seen. The insect breeds in diseased wood, hibernating w
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 250 PESTS OF ORCHARD AXD SMALL FRUITS The Apple Twig-borer {Schhstoctros hamatus Fab.) In early summer the twigs of apple, chern", or pear, or the canes of erape may show characteristic little tunnels, berinning just above a shoot or bud, and extending down a short distance in the main stem or branch. They are the work of a small, dark brown beetle, about one third of an inch in length, which soon deserts its temporary burrow and is not likely to be seen. The insect breeds in diseased wood, hibernating within the same. It is troublesome in the neighborhood of piles of recent trimmings and the hke, and these should be removed and de- stroyed. The tunnels in the twigs of fruit trees are made apparently in feeding, or for temporary Fig. 333. —Work of the Apple Twig-borer. 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
