Flies Behind The Siding

The problem with treating pests that lodge behind this shielding is that it gives you very little access to inject anything meaningful.
Flies behind the siding. On the homes siding in the attic and deep in the wall voids where cluster flies like to nest should be dusted with drione dust. Using your garden hose with the spray attachment on wash down your siding. Turn on your water spigot to maximum output. Ensure that the length of your garden hose will reach the vinyl siding you wish to clean.
A flyswatter is a handheld device used to swat or kill flying insects. Siding so the answer to your question is no. Kill all visible flies on the vinyl siding manually with a flyswatter. Instead of wasting money on liquor set up fly traps around your deck etc they also make fly paper use the electonic bug zappers.
Using a crusader you can puff small amounts up under the exterior siding into any cracks or crevice common to log homes and into all crevices they might choose to use for hibernating. Play pause space step 2. Earwigs roaches ants wasps and bees just to name a few often find your homes siding a perfect place where they can feel protected too. How to keep flies off of vinyl siding step 1.
Attach a spray nozzle to a water hose and spray the vinyl siding with water to remove any dead flies that remain attached to the material.