Posted this last time bed bugs were discussed, hopefully of use to folks. The DE was shown to be the most effective method, but needs to be used correctly.
Diatomaceous Earth. Sticks to them and dehydrates them. They trail it back to their hideyholes and it rubs off on others, killing them too. You can buy it either food grade or pesticide grade, the latter being slightly cheaper. The video explains how to administer properly.
Posted this last time bed bugs were discussed, hopefully of use to folks. The DE was shown to be the most effective method, but needs to be used correctly.
https://www.youtube.com/watch?v=2JAOTJxYqh8