<div class="description">
<dl><dd>Caption title</dd>
<dd>Circular No. 172</dd>
<dd>"Issued May 17, 1913."</dd>
<dd>At head of title: United States Department of Agriculture, Bureau of Entomology</dd>
<dd>"This circular ... is a revision of and supersedes Circular no. 150."</dd>
<dd>Introduction -- History and distribution. pp. 1</dd>
<dd>Description. pp. 2</dd>
<dd>The adult males and females compared. pp. 3</dd>
<dd>Mating -- Parthenogenesis -- Generations. pp. 4</dd>
<dd>Relation of weather to breeding activities -- Observations on habits. pp. 5</dd>
<dd>The violet and pokeweed as hosts. pp. 6</dd>
<dd>Other hosts. pp. 7</dd>
<dd>Hibernation versus wintering. pp. 8</dd>
<dd>Dispersion. pp. 9</dd>
<dd>Time of appearance and disappearance. pp. 10</dd>
<dd>Nature of the damage. pp. 11</dd>
<dd>Natural controlling agencies -- Climatic influences. pp. 13</dd>
<dd>Insect enemies. pp. 14</dd>
<dd>Remedial measures -- Prevention. pp. 16</dd>
<dd>Repression. pp. 18</dd>
<dd>Summary. pp. 21</dd>
<dd>Recommendations. pp. 22</dd></dl><br>Subjects: Cotton Diseases and pests; Spider mites</div>
<div class="fn value">
<dl><dd>McGregor, E. A</dd>
<dd>United States. Bureau of Entomology</dd>
<dd>United States. Dept. of Agriculture</dd></dl></div>
Internet Archive identifier