Essential oils are sometimes used to keep flies away from infested sections and also to kill them. Lavender, eucalyptus, peppermint, lemongrass, and citronella are just a few of the scents that insects despise (with lavender probably being the most effective).
The simplest method to clear out your drain fly issue is to pour boiling water carefully down your drain 1-2 times a day for about a week. This will ensure that the flies do not return overnight if the water did not catch all of the organic material built up inside.
Cinnamon – use cinnamon as an air freshner, as flies hate the smell! Lavender, eucalyptus, peppermint and lemongrass essential oils – Not only will spraying these oils around the house create a beautiful aroma, but they will also deter those pesky flies too.
The vinegar's smell will attract the drain flies, and the wrap will trap them inside the bowl. Another option is to mix a few drops of dish soap with a cup of vinegar. The vinegar attracts the flies, and the dish soap makes it impossible for them to stand on the surface, so they drown.
What Causes Drain Flies? Drain flies thrive in stagnant and standing water. Common sources include slow or clogged drains, rarely used and unused toilets, refrigerator drain pans, and standing water created by leaking pipes. They typically enter buildings through basements, windows, and drains.
One common remedy for killing drain flies is using household bleach. This is a very useful and cost-effective manner for getting rid of these little pests with an item you already have around the house.
This spray is great for outdoor and indoor use. Flies seem to HATE pine-sol. To make the fly repelling spray, mix the original Pine-Sol with water, at a ratio of 50/50 and put it in a spray bottle. Use to wipe counters or spray on the porch and patio table and furniture to drive the flies away.
So, if you ever wonder “do fruit flies like bleach?” – No, they absolutely hate it!
Witch Hazel and Apple Cider Vinegar
This is a popular home remedy, but it's also an excellent natural fly repellent. Simply make a mixture of apple cider vinegar, witch hazel solution, and a few drops of eucalyptus oil and pour it into a spray bottle. Spray the mixture in an open space to ward off flies.
For effective drain fly treatment, use three products: Forid Drain Gel Cleaner, Gentrol IGR Aerosol, and Pyrid. Forid is an organic microbial grease degrader that breaks down organic material and waste, which will eliminate their food sources and their breeding grounds.
They do not bite, sting, or spread diseases, but their decaying bodies may cause allergic reactions. They can also spread bacteria from trash, decaying vegetables and fruits. Drain flies breed in areas that are moist and have a lot of organic remains, including: Sinks.
Adult drain flies usually live about two weeks, but newly emerged adults rapidly replace them. These flies are also known as moth flies due to their appearance: they are small and furry with large, ovoid wings and prominent antennae.
Flies are repelled by vinegar, and the smell of boiling vinegar can make them leave. Pour some malt vinegar in a pot or pan, let it boil, and wait for the flies to desperately try to escape.
Natural Sprays That Repel Flies:
Fill a spray bottle with ⅓ hydrogen peroxide and ⅔ water. After shaking the mixture, spray it on surfaces on which flies tend to typically linger. It works wonders!
Homemade fly killer spray: A mixture of half a cup of water, half a cup of isopropyl alcohol, and a teaspoon of dish liquid can be filled in a spray bottle. This mixture can be sprayed on the flies directly to kill them.
YSK that spraying flies with windex will knock them out of the air rather quickly, allowing you to easily get rid of them. : r/YouShouldKnow.
A: We do not recommend mixing any Pine-Sol® product with other cleaning products or chemicals. Mixing cleaners can result in the release of hazardous gases.
Preventative Maintenance
Pouring bleach into the drain when the unit is not operating can leave residual bleach, which will damage the drain pan and line. Using vinegar for preventative maintenance throughout the year will keep your drain clean and clear and will not damage your line.
These flies will breed in any moist area that they can find. So if you are facing a drain fly infestation that you cannot figure it out, you may want to look deeper for the cause. The problem could be from a leaking pipe or drain under the sink or even a leaking pipe inside of your walls.
Drain fly problems can go away on their own—but only if the insects find the environment inhospitable. Those with a minor infestation can simply flush their toilets and run their faucets more frequently to flush out the flies and larvae. Others will have to deep clean their drains and set up traps.
During the day, you'll notice drain flies resting on the wall since they aren't good fliers. At night, when they are active, they will congregate towards light sources, like lampshades. They will also feed and breed at night, so you'll see them near food sources or breeding areas.
Other indoor areas where there is moist, decaying organic material can also be a breeding site for flies. Drain flies can also be found in dark, swampy outdoor locations where there is plenty of decaying organic material and standing water.