Notes on how NOT to control bark beetles, while opening managers to liability and ridicule:

(This image is from a large university extension service that will remain nameless). The caption reads: "Large, uninfested pine being preventively sprayed. This protects high-value trees and should be done annually between April 1 and July 1."

Nothing could be further from the truth. The tree is toast. But I worry about the Dude with the hat.