With kitchen drains bathroom drains sinks and grease traps restaurants are a drain fly s paradise.
Flies around bathroom sink.
As with most gnats the observable sign of gnats in the drain are the adults hovering around the sink drain and food scraps left in the sink.
But in commercial settings particularly those that serve food it becomes even more important to keep drain flies under control.
Take a close look at all of the drains in your.
The most obvious signs of gnats in sinks are adult flies found inside the sink drain.
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.
House flies they are gray in color about 4 to 8 mm long with four dark gray stripes on upper body.
Place some tape over the top of drain with some holes in it for air flow.
Run an electric fan if possible to help.
Drain flies they are about 1 5 to 5 mm long with a light gray or tan body.
Gnats they are about 4 mm long delicate dark colored flies with long legs and antennae.
Also known as moth flies sewer flies and filter flies they are gray or taupe in color with small rounded wings.
Commercial restaurants are a haven for sewer flies.
If the drain flies get stuck on the tape as.
Close all the doors and windows in the space.
Fruit flies they are dull yellowish or brownish black in color.
Open all windows and doors after returning to the area.
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.
Thoroughly clean the affected drain and the area around it.
The first step in this process is to identify the problem areas.
Leave the treated area and keep it closed for 15 minutes or more.
Signs of gnats in sinks.
Commonly known as drain flies these pesky creatures lay their eggs in the gunk that builds up in the pipes.
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.
Finding a swarm of small gnat like creatures flying out of your sink overflow hole can be unsettling.
Here are some methods that work well to actually observe gnats in the sink.
Drain flies are most active at night so put the tape on the drains before you go to bed and leave it there overnight to catch any insects that may try to fly out.
This is a good place to begin.
Wings and body are covered with long hair.
Inspect and clean breeding sites these flies typically breed in drains hence the common name of drain flies.
