USDA Forest Service 

 Research Paper INT-136 

 March 1973 



/ ' WEEVILS ATTRACTED ' 

 TO THINNED 

 LODGEPOLE PINE STANDS 

 IN MONTANA / 



DAVID G. FELLIN ^ 



INTERMOUNTAIN FOREST AND RANGE EXPERIMENT STATION 



Forest Service 

 U.S. Department of Agriculture 

 Ogden, Utah 84401 

 Robert W. Harris, Director 



