Licensed Applicator?
Are you unsure about the people who are handling the pesticides around your home? Verity that they are a licensed applicator by going to the California Department of Pesticide Regulation: http://www.cdpr.ca.gov

Got holes in your tree?

A myriad of insects, often beetles or clear wing moths, have a larval form that chew wood. Some feed deeply within the tree while others feed just below the bark. Once larvae become adults, they chew out of the tree. We usually see the exit holes and not the critter that caused it. Once our Tree Dr. defines the species of tree we can generally narrow the possibilities to the usual suspects and how to treat