Horn, David J. <br/><br/>
The relationship between a parasite, tetrastichus Inhertus (Hymenopt era: Eulophidae) and its host , tha Alfalfa weevil, Hyper Postica (Cole optera: Curculionidae), in New York / 
David J. Horn. 
 - [Ontario :  s.mn ,  199?]. 
 - v. ;  30 cm. 
<br/><br/> The Canadian Entomologist, vol. 103. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pests-- Control.<br/>Hymenoptera.
<br/><br/><label>Dewey Class. No.: </label>632.9517