Meyer from New York writes,
Does Boric Acid kill centipedes and millipedes?
Boric acid can kill any insect that walks through an area it has been applied really. You should note that Boric Acid works by ingestion and can take up to two weeks to kill insects that ingest the dust. Please take a moment to read over our centipede and millipede articles for the best advice in treating these pests.
Answer last updated on: 04/13/2015