Mathis, Wayne N. <br/><br/>
Studies of Psilapinae (Dipetera: Ephydridae), I.: a revision of the Shore, fly genus placopsidella Kertsz 

 - Washington :  Smithsonian Institution,  1986 
 - 30 p.  : ilus. ; mapas 
 - Smithsonian contributions to zoology  ; 430 .
 - Smithsonian contributions to zoology  ; 430 .
<br/><br/><label>LCCN: </label>32518 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dípteros.<br/>Ephydridae.