<div class="description">
<dl><dd>Circular No. 164</dd>
<dd>"Issued January 17, 1913."</dd>
<dd>At head of title: United States Department of Agriculture, Bureau of Entomology</dd>
<dd>The gipsy-moth situation: Past and present. pp. 1</dd>
<dd>Causes of the improved conditions -- Results of parasite importation. pp. 2</dd>
<dd>The 'wilt" disease of the gipsy moth. pp. 3</dd>
<dd>Artificial utilization of the "wilt" disease. pp. 5</dd>
<dd>Natural control of the gipsy moth abroad. pp. 7</dd>
<dd>Forest conditions as a factor in control. pp. 9</dd>
<dd>Relative susceptibility of American forest trees to gipsy moth attack. pp. 11</dd>
<dd>Relative susceptibility of mixed forests. pp. 14</dd>
<dd>Relation of underbrush to the forest -- Relative resistance of different trees of the same species. pp. 15</dd>
<dd>Suggestions for the management of forest lands with reference to the gipsy moth. pp. 16</dd>
<dd>The immediate requirements of the situation. pp. 19</dd></dl><br>Subjects: Forests and forestry United States; Forest insects United States; Gypsy moth United States; Gypsy moth Control</div>
<div class="fn value">
<dl><dd>Fiske, William Fuller</dd>
<dd>United States. Bureau of Entomology</dd>
<dd>United States. Dept. of Agriculture</dd></dl></div>
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