SD51555
5 year old buck +
This is news to me.
progressiveplanet.com
If it actually works, a person would have to be very careful not to overdo it. I'd imagine this would also take a bunch of beneficials along with it.

Diatomaceous Earth Application: When to Re-Apply - Progressive Planet
Last Crawl Insect DE-stroyer is registered for use as an insecticide. For many years individuals have used diatomaceous earth for this purpose and have found that it works well to kill pests such as fleas, ticks, mites, ants, silverfish, bed bugs and most other crawling insects. Last Crawl is...

If it actually works, a person would have to be very careful not to overdo it. I'd imagine this would also take a bunch of beneficials along with it.