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.
Gnats in bathroom drains.
This is the second largest source for gnats to multiply and increase the population with all the necessary conditions required to breed.
The main reason you might find gnats and drain flies in the bathroom is from the dampness and moisture that can be found around your bathtub and shower and your air conditioner vents.
Any area with multiple drain flies is likely a problem.
The gnats most likely to occur in sinks and sink drains include fruit flies moth flies and to a lesser degree phorid flies.
Having gnats in your sink drains can be a real nuisance to live with but luckily eliminating them is a fairly easy task.
Gnats required dampness and moisture to breed and multiply.
The main reason to see gnats and drain flies in bathroom is the moisture and dampness around your bathtub and shower screen.
Examine all the drains in your home and any area inside or outside the home that has standing water.
Identify the problem areas.
The breeding and developmental sites for these small flies often called sink gnats are varied but for the most part include habitats that stay moist and contain decomposing waste components.
Whether you opt to clean your drains of old food that may be attracting gnats or set up a drain fly trap to capture these bugs you can have your kitchen back in no time.
Before you can effectively kill bathroom gnats you need to determine what is bringing them into your home.
Why do i have gnats in bathroom.