Washburn, F. L. <br/><br/>
The so-called green bug and other grain aphids in Minnesota in 1907  / 
by F.L. Washburn 
 - Ramsey County, Minn :   University of Minnesota. Agricultural Experiment Station 
 - 257-280 p. 
 - Aphidae; 1 .
<br/><br/> Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>207075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>-- Afididos -- Colecciones de escritos -- Macrosiphum granaria -- Coccus viridis -- Toxoptera graminum
<br/><br/><label>Dewey Class. No.: </label>PA-C 595.752 A6