Cluster flies are large black coloured flies with the scientific name pollenia rudis they show up in homes from late fall through early spring.
Flies all over house siding.
I have flies all over the outside of my house.
Use well fitted small mesh well maintained screens on all doors and windows.
This is the same family to which bottle or blow flies belong.
Seal cracks around windows and doors where flies may enter.
Have seen this at work on cooler days.
Flies found inside the home have entered from the outside in almost all cases.
I think a few even bit me it feels like.
House flies are about inch long and gray.
If you re suffering a large swarm of flies in the house save yourself the cardio of whipping your flyswatter about and first see if you can get the majority of them to leave willingly.
In the past week i ve noticed thousands of flies randomly all over the side of my house all 4 sides actually.
While there are thousands of species of flies musca domestica is the variety most likely to bug you both inside and outside of your home found as they are on every continent inhabited by humans.
Those large flies in your home in winter are probably cluster flies which overwinter in the protected areas between the inside and outside walls of your home or in the attic or basement.
If you suddenly see a swarm of flies that means dozens of eggs have already hatched and developed into flies.
Cluster flies come from the calliphoridae family.
By james clark insects such as flies are naturally drawn to vinyl siding because vinyl siding attracts build up of airborne sugar particles from nearby trees plants and brush.
Therefore barriers preventing access to the building are the first line of defense.
Overwintering insects generally stay in secluded areas until the warming and lengthening days of spring pull them from hiding.
The most common reason for flies swarming all over your house is an infestation inside or nearby your home.
A cluster fly is very much similar to a house fly.
If it is cool or cold out the flies will land on the siding to get warm if the sun is shining on it.
Houseflies are found almost everywhere people live.
Unlike brick or wood homes the sugar particles which may not be detectable to the human eye stick to the vinyl siding causing flies to gather.