Drain flies when they are in the house most commonly lay their eggs 10 200 of them in the organic matter e g hair grease food sludge etc that builds up in your drain pipes.
Flies around gutter.
Take the trash out immediately.
While destroying the breeding grounds will prevent the flies from laying more eggs you ll still have to deal with adult drain flies up to 20 days after you clean the drains.
Clean and thoroughly dry the drain areas in your home kitchen and bathroom.
Flies that gather in roofs around windows and on walls inside in the autumn and winter are called cluster flies also known as attic flies.
If you spot drain flies in and around your drain you can use a small knife to scrape the sides of your kitchen or bathroom drain to see if you can spot larvae in the sludge.
As our article explains they ll crawl up into small cracks and crevices most any home has along shingle lines around window frames and where soffits gutters and downspouts meet.
Use a fly swatter to kill adult flies.
If you find larvae scrap it out and dispose of it in the trash.
Leave the tape overnight or during the weekend and if you find any.
To do this test you should.
Invert the cup over a drain where you suspect the flies may live.
Leave the cup in place for several days but check it daily.
Go to the drain area and squash as many of the drain flies as possible with a standard fly swatter.
Drain flies family psychodidae are very commonly mistaken for fruit flies.
Well in the fall many species of wasps are getting ready to overwinter or hibernate.
Phorid flies are found in sewage contaminated soil garbage drains human cadavers rotting vegetables and fruit garbage as well as damp organic materials.
Using a clear plastic cup lightly coat the inside of the cup with vegetable oil or petroleum jelly.
Since drain flies are most active at night you should place a piece of clear tape over the drain outlets and pipes with.
Fruit flies can be spotted around fresh fruits vegetables rotting fruits and vegetables drains garbage and damp organic materials.
This is the best way to get rid of flies.