BLACK-HEADED BUDWORM OUTBREAK 

 AND HEMLOCK SAWFLY EPIDEMIC 



TOSIGASS NATIONAL FOREST 

 ALASKA 

 1955 



Scale 



a IS 30 45 miles 



1^ LighiBudworm defo//afion near Hmberlfne 

 ra ModeraM anc/ heavy Budworm defoliaf/on belo^ /SOOf^-. 

 ^^ScaiMred ligh-/- Budworm epidemic cenfers 

 p^ Sca^fered Sav^f/y epidemic cenfers 

 si 1,2,3 e/c. Budwor/r? egg sa/7?p//r?g' /ocaf/ons 



^ - - ■ 1 T&UADA 



10 - 



