Based on these pictures I would have to say – YES!

 

         

If your dealing with scorpions or crickets, you can see how they get in. So what do you do about it, seal it. Or pay somebody else to do it, by the way do it in the winter when its cooler. We use clear caulking, it goes on white and dries clear. It is very difficult because you are only working in an area of maybe 4 inches, don’t seal the round holes as they allow the house to breath and let water escape.

 

      Even small Smith’s Black Headed Snakes might be able to get in….