Muesebeck, Carl. E. W <br/><br/>
The narcotic parasitic wasps of the genera psilus panzer and coptera say (hymenoptera proctotrupoidea, diapridae) / 
by Carl E. W. Muesebeck 
 - Washington, D.C. :  U.S. Government Printing Office,  1980 
 - 71 p. :  ill. ;  27 cm. 
 - Technical bulletin number ;  1617 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parasitic wasps--United States<br/>Parasitic plants<br/>Weeds
<br/><br/><label>Dewey Class. No.: </label>595.790973