Lavigne, Robert J <br/><br/>
Parasites and predators of Wyoming rangeland :   grasshoppers  / 
Robert J. Lavigne and Robert E. Pfadt 
 - Laramie, Wy.  :   University of Wyoming 
 - 31 p. 
 - Wyoming Agr. Exp. Sta. Science monograph; 3 .
<br/><br/><label>LCCN: </label>202446 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insectos parásitos y predadores  Chapulines