Diatoasceous earth (feed grade).

This natural organic powder which is free from pesticides kills most crawling insects by desiccation.

Commonly used to the birdroom to eradicate mite , But can eradicate  Ants , bed bugs , carpet beetles, carpet moths , cluster flies , cockroaches , dust mites , fleas ,red mite sliver fish , spiders , wasps. Works by breaking down the waxy exoskeleton causing them to dry out and die.

Can also be applied directly to cats and dogs to control flea infestations.