If they have a substantial hive with a lot of brood eggs and larval bees it will rot and stink after the bees are killed.
Best way to kill bees behind siding.
Spray the powder in the opening of the siding.
Locate the entrance through which the bees are entering your siding.
Follow where they seem to disappear into the side of your house.
The easiest and safest way is.
I m a beekeeper and i have been an exterminator also.
Swatting and killing one bee could also make your problem worse because they ll release pheromones when they die and alert other bees in the area.
When learning how to get rid of wasps in house siding it s also important to recognize that there is incredible diversity within wasps themselves.
Then pull the duster out and puff directly at the hole to cover the opening from about 5 inches away.
Swatting at them or being menacing in other ways is one of the best ways to guarantee a sting because it puts the bees on the defensive.
Understanding this diversity can help you locate the nest.
Cover yourself up as much as possible to avoid getting stung.
If possible mark off any entrance holes you find so that you can easily identify them later.
Before you run out and start pouring things down into the nest opening make sure that you take the time to change into protective clothing.
Make sure to cover all the points using the marks you used as a reminder.
Unlike bees which are generally a dark orange ish brown color wasps can be black dark purple red and dark brown.
If you don t care about that chloroform will kill them nicely without removing the siding.
I don t know what kind of bees they are.
As with beehives that are similarly hidden from view there are several ways to determine whether wasps have set up home beneath your sidings.
Observe the bees during the afternoon as that is the most active time of day for yellow jackets.
When the bees are sleeping squirt the powdered insecticide from the bottle at the entrance and exit points on the siding.
Mint oil can kill just about any insect but the boiling soapy water would likely kill the bees on its own.
How to get rid of bees in siding.
If the entry point is close to the ground squirt some powder on the ground.
As a wasp nest beneath siding grows and branches out they may eventually find their way inside your home while searching further for food.
Step 1 identify the position.