Carlin, V. M. <br/><br/>
Larval Densities and Trends of Insect Species Associated With Spruce Budworms in Buds and Shoots in Oregon and Washington: 
V. M. Carlin 
 - Washington, D.C. :  United States Government Printing Office,  1980 
 - 18 p. :  ill. ; /  26 cm. 
<br/><br/> Title cover  Research Paper PNW-273 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lepidoptera--Control--United States--Congresses<br/>Heliothis--agricultural pests--United States
<br/><br/><label>Dewey Class. No.: </label>632.78