Horse bots :   how to control them  / 
Entomology Research Division 
 - Washington  :   Department of Agriculture 
 - 8 p. 
 - EUA. Dept. Agri. Leaflet; 450 .
<br/><br/><label>LCCN: </label>203060 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ganado caballar -- Parásitos