Will this kill yellow jackets?

It will, BUT!!! it works slowly, kills them in 2-24hrs, so if you spray/dust a wasp or wasp nest it's going to be MAD and very much alive while it chases and stings you. If you need to kill a wasp in person use one of the wasp sprays, those work to knock the wasp paralyzed in less than 5 seconds. If you want to prevent wasps from returning and nesting in the area, mix four tablespoons of diatomaceous earth in a quart of water , shake well, and use in a sprayer to coat the eaves/ceiling, and once it dries and they come in contact with it to try to settle there, they will get dusted & later die.

Will this kill Sarcoptes mites

I believe it will kill them as well as its already been reducing the population of any bug that have been crawling on my floor. The best way to use the product is to spread it in the area where you see the infestation using the most. I hope that helps

Can this be used in a crawl space?

Yes and works very well. Please just wear a good mask, gloves, and eye protection when doing it. Also take a shower when you are done.

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🛡️ Defend your space naturally—because pests don’t stand a chance!

PURE POWERFUL - 100% freshwater diatomaceous earth with zero fillers or additives for natural pest control
LONG TERM DEFENSE - Remains effective indefinitely when kept dry—set it and forget it
RISK FREE PROTECTION - Satisfaction guaranteed with hassle-free refunds to keep you worry-free
MULTI INSECT ASSASSIN - Eradicates roaches, fleas, ants, bed bugs & more for a pest-free sanctuary
PRECISION APPLICATION - Comes with a powder duster to target hidden cracks and crevices effortlessly

HARRIS Diatomaceous Earth Crawling Insect Killer is a 4lb pack of pure, additive-free freshwater diatomaceous earth mined in Nevada. It kills a broad spectrum of crawling insects including roaches, fleas, ants, and bed bugs. The included powder duster enables precise application into cracks and crevices. This long-lasting, natural insect killer remains effective indefinitely when kept dry, backed by a satisfaction guarantee.

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