Riley, Charles V. <br/><br/>
Notes on the aphididae of the United States with descriptions of species ocurring west of the ississippi  / 
by C.V. Riley and J. Monell 
 - 32 p. 
 - Aphidae;9 .
<br/><br/> Sobretiro de: Bulletin of the United states Geological and Geographical Survey of the Territorios 5 (1): 1-32, 1879. Encuadernado con otros impresos similares 
<br/><br/><label>LCCN: </label>205775 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Afididos--Colecciones de escritos <br/>Himenopteros<br/>Hormigas 
<br/><br/><label>Dewey Class. No.: </label>PA-C 595.752 A6