File:How to fight garden pests; illustrated and with spraying tables (1915) (14763340062).jpg

Identifier: howtofightgarden00harr (find matches)
Title: How to fight garden pests; illustrated and with spraying tables
Year: 1915 (1910s)
Authors:
Subjects: Insects, Injurious and beneficial
Publisher: Harrisburg, Pa., The Countryside Press
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation

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le it, thusweakening the branch so much that it breaks off,especially during storms. L. O. Howard statesthat in 1893 the trees in Central Park, New YorkCity, were so badly damaged by the borers that afterevery storm great quantities of limbs were broken off. The caterpillars feed in summer, and rest duringthe winter months. About two years are requiredfor them to reach their maximum growth. Thencomes the pupal stage, which is passed near theopening of the tunnel. When metamorphosis iscompleted, the pupa works its way to the mouth ofthe tunnel, when the thin skin splits open and themoth escapes, leaving the empty pupa-skin protrud-ing from the deserted tunnel. Trees are often seriously injured before theborers are discovered. The signs that indicate theirpresence are the small holes in the trees, the oozingsap, and the empty pupa-skins sticking out of thetrees. These insects are so destructive that a single onecan seriously damage a tree. Indeed, a single onewill sometimes kill a tree.
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The tree borer, or larva of the kopaid-moth (natural size) (49) 50 HOW TO FIGHT GARDEN PESTS THE DESTRUCTIVE GOAT-MOTH The goat-moth has done great damage to the treesof Europe. Mr. W. J. Holland, in his book on moths,tells the following interesting story: ^My friend,Dr. Ortman, entering my study while I was writing,relates that when he was a boy of eleven, living inhis native village in Thuringia, his attention wascalled to a notice posted by the Burghermeister,offering a reward for information which wouldlead to the detection and punishment of the indi-viduals who, by boring into the trunks of a certainfine avenue of birch trees, upon which the placeprided itself, had caused great injury to them.Already the instincts of the naturalist had assertedthemselves, and the prying eyes of the lad had foundout the cause of the trouble. He went, accordingly,to the office of the Burghermeister, and informedhim that he could tell him all about the injury tothe trees. The official sat wide-mouth

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