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Albert from Bedford, New York writes,

Cicada Killer Wasps. I have established nests and would like to kill the eggs that have been deposited....

1. Pyrethrin spray in hole 1st -- then Drione Dust for established nests. 2. Drione Dust in hole 1st -- then Pyrethrin spray for established nests. 3. What's best to use for new nests made that day? 4. Should I keep the area dry if using either of the above? 4. What's the closest I can get to Cymethrin and the strongest that can be shipped to me (I live in New York State)?


You can spray pyrethrins in the individual holes and then after the application dries dust each of the hoels with Drione dust (the Drione dust will not work when wet). Below is the usual recommendations for cicada killer wasps:

Cicada Killer wasps thrive in disturbed environments, such as landscaped yards and places where bare soil is exposed. You can discourage the wasps from nesting in your yard by cutting your grass on the highest setting and by adding a thick layer of mulch to flower beds during the Cicada Killer Wasp season. These wasps do not like over saturated lawns either, so over watering during their season will help prevent them. Unfortunately, there is no fool proof way to prevent cicada killer wasps. For current infestations, you would need to use Drione in each individual burrow.

We also like to let our customers know that the Cicada Killer wasps are beneficial insects that provide free pest control for a couple months each year. Cicada killer wasps paralyze and provision their burrows with other insects to feed their young.  The beneficial Cicada killer wasps, while large and intimidating to see, are mostly harmless and there have been very few reports of anyone getting stung by just being near them. In most cases where a sting was reported, the wasps were being held or molested in some way.

Answer last updated on: 07/18/2012

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