Hi I was asked the other day how do I kill sand hornets? Let me help you with that. I'm Michael Piacenza with Advantage Pest Control. Well sand hornets is a regional name for the Cicada Killer and this is a hornet wasp that actually doesn't live in a big colony. They are solitary bugs. They burrow down into the sand and they make their little home for themselves and the best way to kill them is to use a dust and go around and sprinkle a nice safe dust or maybe a Seven Dust which is a synthetic but not too toxic. Another way is to use a time release granule if you are getting like around the outside of the house it is a really nice preventative treatment for roaches and other stuff too. So you can prevent them by not having exposed sand so you put down mulch in those areas although that is going to attract other bugs so it is best just to take care of the problem, use a little dust and you are going to knock them right out. Now these are big buggers. They are about one and a half inches in length. They are scary and the females do sting. The males don't and I won't elaborate on that topic. Alright I hope this has been helpful. I'm Michael Piacenza. Good day.