Sequoia pitch moth, Synanthedon sequoiae, control; prying the resin mass off bark to expose the larva underneath and kill it.

Sequoia pitch moth, Synanthedon sequoiae (Sesiidae), control. Screw driver prying resinous mass from mondel pine trunk to expose and kill larva. Novato, CA.  JKC  Credit: Jack Kelly Clark
Credit: Jack Kelly Clark