How do exterminators get rid of gnats?

Author: Aglae Prohaska MD  |  Last update: Tuesday, June 30, 2026

We can apply spot treatments to tackle the problem or install light traps to catch gnats. We are the local experts, and will make sure gnats and other flying pests stay out of your property.

What does an exterminator do for gnats?

Electric fly exploders that electrocute individual gnats may help to control their populations outside but also kill many beneficial insects. Inside, insect traps that are plugged into electrical outlets work by emitting ultraviolet light sources.

Can you permanently get rid of gnats?

Eradicate your fungus gnat infestation for good with the following method: Put up a bunch of sticky traps, top-dress the soil with sand and do nematode soaks every 10 to 14 days until the problem is resolved. Also, stop overwatering your plants and eliminate any unnecessary sources of moisture. That's it.

How much does it cost to get rid of a gnat infestation?

Hiring gnat exterminator costs $200 on average, or between $150 and $250 depending on factors like labor and the extent of the infestation. The average gnat exterminator cost is $200, with costs ranging from $150 to $250.

How long does it take to get rid of a gnat infestation?

In cooler weather it can take 4 to 5 weeks or more to complete the life cycle, so winter treatment can take longer. That's why I always recommend treating for 2 months (8 weeks), but at least 4 weeks minimum if you've caught it early and only have a tiny infestation.

Best Gnat Killer How to get rid of gnats & fruit flies

What is the lifespan of a gnat in the house?

Fungus gnat adults may live from about one to two weeks and complete one life cycle in about 18-30 days. Moth fly adults live for about 14 days and complete their life cycle in about 7-21 days.

How to figure out where gnats are coming from?

Gnats come to find a breeding ground and place to lay their eggs. They seek out moist places, decomposing organic matter and damp soil of houseplants, and can be found around your trash or recycling bin.

What smell do gnats hate?

The only way to get rid of gnats without killing them is to repel them with scents they don't like: vinegar, vanilla, pine oil, peppermint, lemon, eucalyptus, and lavender. Even dryer sheets could help. Of course, the first line of duty would be to get rid of the infestation's root cause.

Why is it so hard to get rid of gnats?

Breeding Sites

Gnats lay their eggs in moist or decomposing organic matter. Gnats in plants are a common observation by homeowners, as well as in and around trash cans with organic waste, and clogged drains. Identifying and eliminating these breeding sites is crucial in controlling gnat populations.

What do gnats turn into?

In general, gnats go through the four life stages of egg, larva, pupa and adult, similar to other flies. The fungus gnats lay their eggs in moist organic debris or soil, which hatch into larvae. The larvae feed on organic matter such as leaf mold, mulch, compost, grass clippings, root hairs and fungi.

What is the best killer for drain gnats?

If you don't have vinegar at home, bleach will kill drain gnats, but it's a potent environmental pollutant, so you're better off running to the store for vinegar, which is actually more effective for cleaning your drain pipes.

What repels gnats from your body?

Repelling Gnats Naturally
  • Cooking oil.
  • Essential oils.
  • 4 oz (118 mL) bottle, witch hazel, and water.
  • Vinegar.
  • Herbs or spices.
  • Soap.

What diseases do gnats carry?

Fungus gnats are typically harmless to humans because they don't bite. They can spread diseases like: Pinkeye (when they are in one eye that is infected and then land in another) Sepsis between people (when your body has an infection and your immune system overreacts, causing inflammation throughout the body)

How much does Orkin pest control cost?

Orkin prices are $150 to $600 for a one-time visit or $500 to $1,000 per year on average for an annual general pest control plan. Orkin offers monthly and quarterly visits in their plans. Bed bugs and termites are harder to remove, so they cost more than a general pest control treatment.

Where do gnats lay eggs?

Females lay tiny eggs in moist organic debris or potting soil. Larvae have a shiny black head and an elongated, whitish-to-clear, legless body. They eat organic mulch, leaf mold, grass clippings, compost, root hairs, and fungi.

What gets rid of gnats asap?

Use a small saucer to mix a few tablespoons of apple cider vinegar, a few drops of dishwashing soap and a little sugar. Put the saucer near the gnats. Use more than one saucer, if needed. The gnats will be drawn to the sweet solution, fall in and get trapped.

Do dryer sheets keep gnats away?

Conclusions. Based on the results obtained from our study, it is evident that Bounce original brand fabric softener dryer sheets repel fungus gnats.

Why doesn't bug spray work on gnats?

Active Ingredients: Most mosquito repellents are formulated specifically to deter mosquitoes and may not be effective against gnats. While some repellents might contain ingredients that could repel gnats, such as citronella or essential oils, these are not always potent enough to keep gnats away effectively.

Should I call an exterminator for gnats?

As with most pest control and management, it's best to rely on a trained Orkin Pro to help get rid of a gnat infestation.

How do I get rid of gnats when I can't find the source?

If you have gnats in the kitchen and you can not locate their breeding source ( food spillage or garbage) they may be coming from the drains. Apply the clear tape over the drains with punched-out holes to see if they are coming out of the drains. Use an enzyme drain product like Invade Bio Drain and pour in the drains.

What month do gnats go away?

Gnats are seasonal pests that thrive during the spring. With proper methods of control, they may eventually go away as the year progresses. Gnats have a short life cycle and will often disappear when the cold months start.

Do gnats ever go away on their own?

Fungus gnats will not go away on their own. In order to ensure these bugs don't hang around for a long period of time, you'll need to take matters into your own hands and try several different methods to remove them.

Is there a spray for gnats?

Kate's Home & Garden Plant Spray for Insects & Getting Rid of Gnats with 12 Gnat Sticky Traps. Fungus Gnat Killer & Gnat Control for Indoor Plants (16oz, Pet Safe, Non Toxic)

Why do gnats fly in my face?

Breath, Sweat & Tears

A gnat is always searching for moisture and salt, which are found in sweat and tears. Unfortunately, the pests are vectors for pink eye. They are also drawn to the smell of bad breath and to the carbon dioxide people expel when exhaling.

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