Flies All Over House Siding

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. 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. The most common reason for flies swarming all over your house is an infestation inside or nearby your home. Flies found inside the home have entered from the outside in almost all cases. 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.

A cluster fly is very much similar to a house fly. This is the same family to which bottle or blow flies belong. If you suddenly see a swarm of flies that means dozens of eggs have already hatched and developed into flies. Have seen this at work on cooler days.

House flies are about inch long and gray. They lay their eggs on animal feces garbage and in rotting organic material. The source is likely inside your house garage attic or garden. Houseflies are found almost everywhere people live.

Seal cracks around windows and doors where flies may enter. Overwintering insects generally stay in secluded areas until the warming and lengthening days of spring pull them from hiding. If it is cool or cold out the flies will land on the siding to get warm if the sun is shining on it. 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. I have flies all over the outside of my house. 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. Use well fitted small mesh well maintained screens on all doors and windows.

Therefore barriers preventing access to the building are the first line of defense. 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.