Posted by John Fasoldt on 12:27:04 7/27/2010 from 184.108.40.206:
In reply to: Cicada Killers! posted by Ken on 11:41:24 7/27/2010 from 220.127.116.11:
CKs are hard to kill. Anything "big" is hard to kill. Especially with what we have to use nowadays.
You know the best thing to do? Ready for this? Water the lawn - constantly. They don't like that. You don't have to do it at night, but definitely during daylight. It does work. Existing burrows, leave the hose on low and put it right near each hole to soak the ground. This forces them to abandon that one and move. If you don't water the lawn, they'll just move a few feet.
Years ago, my sister had them around her kid's sandbox and she just used a 20x20 tarp and covered everything so nothing could get in or out. It also kills any foliage under it.
Chemical treatment requires you to treat each individual burrow, you can try tomato dust, flick the dust in the burrow with a spoon.
The ones you see buzzing around are the males, trying to mate the females, they're the ones that are burrowing and the ones you have to address. The males have no stinger, the females only use theirs on cicadas, so there's no sting danger to you or yours.
Digging up the burrows usually won't work either, they can burrow pretty deep, sometimes.
Why do you have them and no one else? Maybe you're just lucky....
We send a truck with a power rig and spray (usually) the entire lawn. If they're bad, sometimes some will come back the next year. Jump right on 'em!
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