Whitcomb, W.  D <br/><br/>
The carrot rust fly  / 
W. D. Whitcomb 
 - Amherst, Mass  :   Agricultural Experiment Station 
 - 36 p. 
 - Massachusetts. Agri. Exp. Sta., Bull.; 352 .
<br/><br/><label>LCCN: </label>202107 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zanahoria -- Plagas  Psila rosae