Mathis, Wayne N. <br/><br/>
Studies of Psilopinae (Diptera: Ephydridae), I :  a revision of the shore fly genus Placopsidella Kertesz / 
Wayne N. Mathis. 
 - Washington, DC :  Smithsonian Institution Press,  1986. 
 - Smithsonian contributions to zoology ;  no. 430 .
<br/><br/> Supt. of Doc. no.: SI 1.27:430. 
<br/><br/>Bibliography: p. 29-30. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Placopsidella -- Classification.--Placopsidella -- Classification.<br/>Insects -- Classification.--Insects -- Classification.<br/>Flies -- Classification.--Flies -- Classification.