Woglum, R. S <br/><br/>
The common mealybug and its control in California  / 
R. S. Woglum and J. D. Neuls 
 - Washington  :   Department of Agriculture 
 - 16 p. 
 - EUA. Dept. of Agriculture Farmers'bull.; 862 .
<br/><br/><label>LCCN: </label>203608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coccidae  Psudococcus citri  Control de plagas