Lots Of Flies In House Suddenly. Face flies are quite similar in appearance to house flies but they are very dark in color and much larger. You should clean up your house and make sure flies dont have any breeding grounds available to lay eggs on.
House fly eggs are laid in moist or rotting organic matter such as household rubbish compost or manure. Although cluster flies dont pose a direct health risk to humans they can be an annoyance. I then opened the window and drove them out.
You may or may not detect an odor.
While they hibernate over the winter their accumulated excrement can give off a noticeable stench. Try throwing drano down the drains in case they are drain flies and maybe spray some poison outside around the doorwindowsvents to help repel them. You may or may not detect an odor. While indoors cluster flies do not reproduce but move outdoors in the.