Beckwith, M.H. <br/><br/>
The San Jose Scale insect present status of the San Jose Scale in Delaware status of the insect in the United States  / 
by M.H. Beckwith 
 - Newark, Del. :   Agricultural Experiment Station 
 - 16 p. 
 - Hemiptera; 14 .
<br/><br/> Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>206999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>-- Hemípteros -- colecciones de escritos -- Aspidiotus
<br/><br/><label>Dewey Class. No.: </label>PA-C 595.75 H4