. Injurious insects of the farm and garden. With a chapter on beneficial insects. Insects. b -APPLE-TWia BOREB. Fig. 97.—APPLE-TWIG BORER. a Female ; b, Male. c, Puncture ; d, Interior of Stem. Eed June, to other varieties of the Apple, and though they likewise occur in Pear and Peach stems, and in the Grape, they have not been found in those of the Crab-apple. Both the male and female beetles bore these holes, and may always be found in them, head downwards, dui-ino; the winter and spring months. The holes are made for food and protection, and not for breeding purposes. In- deed, common as th
. Injurious insects of the farm and garden. With a chapter on beneficial insects. Insects. b -APPLE-TWia BOREB. Fig. 97.—APPLE-TWIG BORER. a Female ; b, Male. c, Puncture ; d, Interior of Stem. Eed June, to other varieties of the Apple, and though they likewise occur in Pear and Peach stems, and in the Grape, they have not been found in those of the Crab-apple. Both the male and female beetles bore these holes, and may always be found in them, head downwards, dui-ino; the winter and spring months. The holes are made for food and protection, and not for breeding purposes. In- deed, common as this insect is, its preparatory stages are entirely unknown, and whoever will ascertain its larval history, will confer a favor on the community. The bored twigs almost always break off by the wind, or else the hole catches the water in spring and causes an unsound place in the tree. If the twig does not break off, it withers and the leaves turn brown. The only way. 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 Treat, Mary, b. 1835. New York, Orange Judd
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1887