Yellow jackets in retaining wall.
Yellow jackets in retaining wall.
The ideal time to get rid of yellow jackets from the wall cavities would be night time or early morning.
Simply cut the bottle in half fill the lower half with sugar water and place the upper half upside down inside the remaining lower half.
If the nest is in a very warm location however the whole nest could survive the winter.
The yellow jackets can actually use the drywall for nest material leaving only a layer of paint between their nest and your living space.
Wasps yellow jackets in a wall are a serious problem.
To kill a yellow jacket start by putting a small piece of fruit or a sugary drink inside a sealable jar or soda bottle since yellow jackets are attracted to sweets.
Seal off any entrances or exits into the area of the wall where the wasp nest is located.
Follow up the spraying by dusting the opening of the nest with an insecticide such as tempo dust.
They will come out in the spring looking to go outside.
They ll die on contact.
These pests are quite inactive during the night which would ensure that your activities would not trigger them thereby facilitating a complete eradication.
Spray the pyrethrum in the cavity where the yellow jackets are living.
This will not only prevent wasps from escaping a pesticide application only to return later but it will also keep the wasps from exiting the nest by another hole to attack or to flee into other parts of the home garage and attic while the treatment is being applied.
Use caulk or a similar sealant.
If yellow jackets have gone into the walls during cold weather some of the reproductive yellow jackets may survive in the walls.
Pyrethrum aerosol sprays such as pt 565 plus cv 80d or cb 80 extra work well to kill yellow jackets and break up their nests.
You may also be able to hear the yellow jackets moving inside the walls.
Find the area where the noise is the loudest either by placing your ear against the wall or using a listening device.
Press down firmly and seal off the outer edge with tape so that it is airtight.
If a do it yourself treatment is done wrong the consequence is a house full of wasps.
I am not 100 sure they are yellow jackets but i believe they are.
I used 4 cans of bee killer and they are still all over the place.
You can make a yellow jacket trap out of a 2 liter bottle.
I have a sandstone retaining wall.