When the nest is easily visible a foaming aerosol will both cover the openings and expand into the nest to trap and kill the yellow jackets.
Kill yellow jacket nest with gas.
Yellow jackets make underground nests with an entrance hole to the surface.
If you treat during the day many yellow jackets will be out of the nest and will survive the.
A steady zoom of wasps to and from the nest betrays its presence.
The dust will prevent future hatch outs.
While yellow jacket nests aren t as exotic as some feel free to display the nest.
By treating at night you ensure that you kill the most yellow jackets all at once.
Yellow jackets congregate in their nest during the night to escape from cooler outside temperatures.
More yellow jackets will be inside during the night.
Pyrethrum forms a gas which will fill the cavity killing the yellow jackets on contact.
If for whatever reason you d prefer to keep the nest in its place that s also okay.
These treatments are dangerous environmentally irresponsible and illegal.
Treat the nest with pyrethrum aerosols such as stryker 54 contact aerosol pt 565 or cv 80d.
Wait until the aerosol is dry and then dust in the opening with insecticide dusts such as tempo dust.
They also nest between rocks.
Follow my instructions as my faithful reader jean recently did and the yellow jackets will be history.
Disturb them and they ll sting you.
It s extremely rare for yellow jackets to re use old nests.
Just 8 ounces of gas will kill the whole nest of yellow jackets and from my experience is the best thing for them.
I can t say if it will harm the daylilies but i can say it didn t harm a small goumi bush a fig tree and few natives.
Yellow jackets build their nests in cavities and crevices such as a wall void beneath eaves under porches and rodent burrows in the ground.
Never attempt to destroy an underground yellow jacket nest with gas or other petroleum products.
Choose an aerosol with a long range jet spray that will allow you to stand back from the nest and still be effective.