I built a night box in Jan of 2018 like @Tom designed. I used kilz primer and stain with a sealer on the outside. I went to put my tortoise in it for the first time this year since it was going to be a very cold night. When i opened the box for inspection i noticed termites were eating it up and traveling down into the chamber where the foam insulation is. Does anyone have any ideals of how i can get rid of these without being harmful to the tortoise?