The U.S. Department of Agriculture also lists the entire island of Puerto Rico as infested. Range of the RIFA in the United States. RIFAs were still on the move in the US in the early 21st century, often traveling from one area to another in turf, root balls of nursery plants, and other agricultural products.
Keep yourself, your loved ones, and your home safe from scorpions with diatomaceous earth. It's a safe product that works through a mechanical reaction, rather than chemical, to kill bugs. When the scorpion comes into contact with the DE, the powder will attach to the exoskeleton of the scorpion and begin to dehydrate.
WikiHow says that you can kill them with a mixture of salt and sugar. Finally, our method: buy poisonous ant bait (the kind they carry back to the nest) and set it out at night. Put the ant bait out of reach during the day and keep baby, cat, etc. away from the area for a day or two afterwards. For us, this killed the ants after one night!