Powell, Jerry A. <br/><br/>
A systematic monograph of new world ethmiid moths (Lepidoptera : Galechicidea) 

 - Washington :  Smithsonian Institution,  1973 
 - 302 p.  : ilus. ; mapas 
 - Smithsonian contributions to zoology  ; 120 .
 - Smithsonian contributions to zoology  ; 120 .
<br/><br/><label>LCCN: </label>54047 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethmia.
<br/><br/><label>Dewey Class. No.: </label>595.765  / P6