Drain flies aka moth flies can be a common but harmless nuisance.
Small flies in sink drain.
Drain flies are small measuring an eighth of an inch which is about the size of a fruit fly or a gnat it s easy to confuse them as a matter of fact.
These pests live and breed inside your plumbing pipes feeding on decomposing material and laying eggs within the.
Drain flies are sometimes called moth flies sewer flies sink flies or sewer gnats psychodidae and they inhabit the dark damp conditions in drains.
Drain flies would be coming from drains connected to sewers such as sinks and floor drains.
A sump doesn t supply food for the flies.
Measuring in at just 2 to 5 millimeters about one eighth of an inch drain flies are pesky insects that tend to congregate around standing water.
They routinely show up in kitchen or bathrooms where they lay eggs in the gelatinous organic slime that can develop in sink.
Specifically you re likely to spot drain flies near sinks and showers that are stagnant for a time like after a long vacation or used very infrequently such as a guest bathroom.
Drain flies also known as moth flies are a common nuisance in many homes.
Also known as moth flies sewer flies and filter flies they are gray or taupe in color with small rounded wings.
Getting rid of drain flies naturally is fairly easy.