Do not apply too much dust at once or the dust will not be effective as cluster flies will avoid piles of dust.
Dust attic for flies.
Place protective screens in attic and chimney openings.
Then once the relentless heat zaps the pesticides strength life goes right back to normal for the pest no worse for the wear.
These guys will be repelled by the chemicals and retreat from going in your attic.
Fly lights plug into standard outlets and can be placed in attics basements and rooms that are not often used like guest bedrooms.
To kill the flies that buzz about rooms use a synergized pyrethrins spray or aerosol.
Seal up all cracks and crevice and any holes.
No fog dust or spray in the world will get to anything there.
1 2 puffs at a time will be plenty.
Say no to gaps.
Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors.
Identify where they are.
To be for sure successful attic treatments are still a challenge for pro or diy alike even with some of the best equipment.
Inject diazinon or bendiocarb dust into window pulley openings and wherever possible into wall voids and other confined spaces where the flies may be hibernating.
Place dust in cracks and crevices.
Use a fly light.
Steps for cluster fly control.
Attic flies which are also known as cluster flies are insects that often migrate into homes in the fall where they hibernate for the cooler fall and winter months one of the best tips for getting rid of attic flies is to keep them from entering the house in the first place as trying to eliminate them after they are in hibernation can be difficult.
Spray insecticide where cluster flies hibernating.