The Pine Tree Ant: A Wood-Destroying Ant
Here is an article by Jim Tassano, published in the Summer 1987 issue of the Voice of the Pest Control Operator of California. This is possibly the first article identifying liometopum luctuosum, the pine tree ant, as a structural pest.
Bald-Faced Hornet
Bald-faced hornet. Dorrington Ca, Calaveras County, 23 October 2015. Specimen collected by Branden Runyan.

Bald-faced hornet. Dorrington Ca, Calaveras County, 23 October 2015. Specimen collected by Branden Runyan.

Bald-faced hornet. Dorrington Ca, Calaveras County, 23 October 2015. Specimen collected by Branden Runyan.

Bald-faced hornet. Dorrington Ca, Calaveras County, 23 October 2015. Specimen collected by Branden Runyan.
Missouri Walking Stick
Black Vine Weevil
Black Vine Weevil, Vallecito Ca, 16 October 2015. Specimen brought in by Ryder Richards. Click on image to enlarge it.