Scale. Your County Extension Office likely has a publication detailing approved treatment in your area.

Dan

The scale insect is the small tan spot. The elongated white thing is its egg case.

Depending upon the shrub's size, begin by physically eradicating what you see.

Thanks. It's a large, dense bush, and it looks like the scale is all the way onto the main trunks, so unless there's a treatment I may have to dig out the whole thing. :-(