The very big size.
Yellow jackets in concrete wall.
Yellow jackets build nests in trees in the ground and in voids in structures such as empty spaces in walls.
But if you re feeling bold you can take steps to eradicate them yourself.
This product would be great to use in those cracks in the cement blocks.
We noticed this a few weeks ago when there where literally hundreds of yellow jackets flying in and out.
There is a small air vent hole in the mortar and that is where the queen got in.
The most common nest locations of these insects are wall voids voids in concrete blocks attics and drop ceilings.
Please check out our article how to get rid of yellow jackets.
Such nests are best treated by drilling into the infested void and injecting the nest with delta dust insecticide.
Sometimes yellow jackets will nest in various elements of a home or structure such as ceiling and wall voids in the eaves behind fascia board soffits in hollow cement blocks and inside excavated wood galleries.
They will come out in the spring looking to go outside.
Having a yellow jacket nest inside your home can be annoyingly scary so read on to find out what can be done.
When yellowjackets nest inside buildings in wall or ceiling voids in concrete block or in attics they come and go through a nest opening on the outside of the building.
If yellow jackets have gone into the walls during cold weather some of the reproductive yellow jackets may survive in the walls.
If you can get close we highly recommend applying a dust like delta dust that is water proof and when the yellow jacket comes in contact with it the dust will transfer from bee to bee killing adults and larvae.
If the nest is in a very warm location however the whole nest could survive the winter.
Yellow jackets are extremely aggressive insects that are drawn mainly to sugary liquids and meats.
Yellow jackets build their nests in cavities and crevices such as a wall void beneath eaves under porches and rodent burrows in the ground.
Removing yellow jacket nest out of the wall.
Each insect stings multiple times and injects venom into its victim.
Often inhabitants don t even know that there is a yellowjacket nest in their home.
Once you locate the nest put on protective clothing such as pants a long sleeve shirt long socks and a hat and prepare for a spray and run.
I cut out the bottom of a clear plastic club soda bottle.
