https://image.slidesharecdn.com/termiteandinsectinfestationfinal-131201233353-phpapp01/95/termite-and-insect-infestation-13-638.jpg?cb=1385941503
Images of post pests
I actually had powder post & wood borer/deathwatch beetles in an old house I restored. Had to tent the whole house & fumigate with Vikane gas to get rid of them - very expensive.
Interesting similarity ....
Vikane gas for powder post beetle pests
Viking kitties for series post pests/trolls