Deonier, D. L. <br/><br/>
A systematic and ecological study of nearctic Hydrellia (Diptera:Ephydridae) 

 - Washington :  Smithsonian Institution,  1971 
 - 147 p.  : ilus. 
 - Smithsonian contributions to zoology  ; 68 .
 - Smithsonian contributions to zoology  ; 68 .
<br/><br/><label>LCCN: </label>18180 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ephydridae.