. The gypsy moth Porthetria dispar Linn. . ays better to creosote them, without scattering them. Banding Trees.— In former years, applying burlap hands to thetrunks of trees as a hiding place for the caterpillars was a commonpractice, as well one of the imp riant methods ol control. In suchcases, it was first necessarj to remove the dead wood from thetree, fill the cavities with cement or cover them with tin patches,and scrape off the outer or rough bark, [n addition to these re- THE GYPSY MOTH! CONTROL MEASURES. 2 1 quirements many old apple trees had to be thinned to let more lightinto their
. The gypsy moth Porthetria dispar Linn. . ays better to creosote them, without scattering them. Banding Trees.— In former years, applying burlap hands to thetrunks of trees as a hiding place for the caterpillars was a commonpractice, as well one of the imp riant methods ol control. In suchcases, it was first necessarj to remove the dead wood from thetree, fill the cavities with cement or cover them with tin patches,and scrape off the outer or rough bark, [n addition to these re- THE GYPSY MOTH! CONTROL MEASURES. 2 1 quirements many old apple trees had to be thinned to let more lightinto their tops. All of this work was necessary in order to removeall other convenient hiding places for the caterpillars, and to forcethem to go tinder the burlap bands. The bands are then turnedeach day and all caterpillars found under them are method was practiced at Stonington and at Wallingford andis especially adapted to exterminative work in isolated this purpose 8-ounce burlap should be cut into strips 8 inches. Figure 16.—Method of applying burlap band. wide, and a band placed around the trunk of the tree at a con-venient height tied around the middle with jute wool-twine, andthe upper half of the burlap folded down over the lower. Thismakes a double thickness to shelter the caterpillars. In examiningthe bands, it is a common practice, to turn them up one day anddown the next, thus enabling the foreman to keep a check on thework of his men. On account of the danger of brown-tail rash orpoisoning it is advisable not to apply burlap bands until after themiddle of June, when most of the brown-tail caterpillars havepupated. 2 2 CONNECTICUT EXPERIMENT STATION, BULLETIN NO. 186. More recently, tanglefoot bands have come into use to preventcaterpillars from crawling up or clown a tree. If the tree is sus-pected of being infested, then it may be sprayed and a tanglefootband placed around the trunk, thus compelling the caterpillarsto feed upon the poisoned
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewha, bookyear1915