McGregor, E.  A <br/><br/>
The red spider on cotton  / 
E. A. McGregor, and F. L. McDonough 
 - Washington  :   Department of Agriculture 
 - 72 p. 
 - EUA. Department of Agriculture Bull.; 416 .
<br/><br/><label>LCCN: </label>202569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tetranychus telarius  Algodòn -- Plagas