Apply insecticide to the outside of your attic to prevent flies from coming in.
How to stop flies in attic.
First start outside by trimming any overhanging tree branches and overgrown bushes and vines near the home that could allow rodents to access the roof.
Cluster flies or attic flies are large black flies and similar in size shape and behavior to the blowfly.
They use the attic as an overwintering site.
First of all pour the sugar syrup in the jar and then cut a 1 cm diameter hole at the apex of the cone.
To ensure that the attic is home to only old family keepsakes homeowners should follow these easy to do pest proofing tips.
Flies are lured in by the light and then trapped on a glue board or killed by an electric shock.
Cut the top off a plastic pop bottle a third of the way down put a little water and something disgustingly fly attractive in the bottom half re insert the top half without lid upsidedown into the bottom half and hang somewhere.
Now place the cone in the jar upside down so that it should not touch the liquid.
This is effective at killing cluster flies as they enter to hibernate.
We also sell indiviudal products such as sprays powders smoke bombs and traps to stop and control cluster flies as well as electric cluster fly killers to maintain fly free attics lofts and roof voids.
Spray as best you can around your roof chimney eves ventilation holes etc.
Use light traps to catch larger flies.
Spraying the exterior of the house with insecticide can also be effective.
Uv light traps are ideal for catching houseflies and other relatively large species of flies and pest insects.
Remember it only takes a hole the size of a rice grain for a cluster fly to enter.
Using sugar water fly trap.
Place your light traps approximately 4 6 feet 1 2 1 8 meters above the floor.
Sealing cracks in the walls roof and windows is one of the best ways to get rid of these insects.
Cluster flies move indoors often into attics when the days shorten and the weather cools.
Pest insect prevention tips for the attic.
Larger and slower than house flies cluster flies can be a nuisance around homes often getting inside and laying eggs.
To make your sugar water fly trap all you need is a wide mouthed jar some sugar water and a paper cone.
An alternative way to kill cluster flies is by using the prevent auto dispenser.
Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors.
Place traps around attic windows to catch flies.
This dispenser contains a pyrethrum based insecticidal spray which will activate at several intervals over a 24 hour period.
You can make your own flycatcher.
Do this in the summer or early fall at the latest.
If you believe the vents in your attic offer an entry point for these pests try placing a screen over them.