I had more silverfish than I ever had whenI took the wallpaper off they seemed to like the glue. I gave a coat of primer and found non for a whil. No am getting wood floors down and want them gone….I will spray periterin, then to th boric acid.. > want them dead.They re in mymain befroom and there is nothing wet or damp there at all. Silverfish are among the oldest species of animals on Planet Earth. They, alongside with bristlebacks and firebrats, make up the Apterygota subclass. Silverfish are closely related to the Rhyniognatha, the world’s oldest known insect. It has been suspected silverfish are among the first insects to conquer the land. See More Images (Image credit: Kath Nash) Bed bugs get all the press these days. Comparatively, silverfish (and their cousin the firebrat) are pretty harmless, but man are they ugly. It doesn’t help that they hang out in cold, dark, damp places like the basement or under the bathroom sink. If you’ve spotted one of these lurking in your