Curran, C.H.. <br/><br/>
Syrphidae (Diptera). 

 - USA  1886,1924. 
 - 600p. :   ilus. 
<br/><br/><label>Subjects--Index Terms: </label>Zoologia Entomologia 
<br/><br/><label>Universal Decimal Class. No.: </label>595.77