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The Daily Insight

Will moth balls kill moths

Author

Christopher Lucas

Published Mar 28, 2026

The labeled use of mothballs is to kill moths and other fiber insects to protect clothing. To do so properly, place mothballs inside tightly closed containers along with the clothing or materials. The vapors will remain inside the container and kill the moths.

Do moth balls really get rid of moths?

Modern mothballs are a crystallised form of a chemical known as 1,4-dichlorobenzene (C₆H ₄Cl₂). Over time, it turns (or “sublimates”) into a gas, which produces the strong smell you probably associate with moth balls. They are used to deter moths – but if you already have an infestation, mothballs will not help.

What will kill moths instantly?

Product Description. SLA Cedar Scented Spray is used for quick, immediate protection. It kills on contact not only moths, carpet beetles and silverfish, but many other flying and crawling insects. SLA will not stain and leaves behind a fresh cedar scent.

How long does it take moth balls to kill moths?

Mothballs can be effective at what they do, but that doesn’t mean you want them to stick around for too long. Mothball odor is a terrible smell to have clinging to your clothing. And we have some shocking news for you: a single mothball takes about 3-6 months to dissipate completely.

Can you use mothballs around the house?

‘ and the answer to this question is yes, potentially. According to the National Pesticide Information Center (NPIC), the chemicals use in mothballs can be toxic to humans and pets and as people are exposed to these chemicals that are released as toxic fumes in the air space of the home.

How do you use moth balls outside?

Mothball labels direct you to use the product only inside tightly sealed containers where the fumes are contained. Mothballs should never be used in open containers or in a way that will allow the pesticide fumes to accumulate in living spaces where people and pets can breath them.

What works better than mothballs?

  • Lavender Satchels. While the soothing scent of lavender is wonderful for us, most moths stay away from it. …
  • Cedar Chips and Blocks. The aromatic aroma of cedar repels many kinds of insects and pests. …
  • Mint. …
  • Cloves, Rosemary and Thyme. …
  • Airtight Containers. …
  • White Camphor Oil.

How do you get rid of brown house moths?

  1. Fill your home with cedar. …
  2. Combine dried, crushed, and powdered herbs. …
  3. Use a sticky trap. …
  4. Keep your floors, carpets, and moldings vacuumed and dusted. …
  5. Freeze any clothes or belongings that show signs of moths. …
  6. Wash clothes that contain larvae or eggs. …
  7. Use vinegar to help.

How do mothballs disappear?

Mothballs in the U.S. contain high concentrations of either naphthalene or paradichlorobenzene. Both active ingredients are solid chemicals that slowly become fumes at room temperature. … Mothballs slowly disappear as they turn into gas and mix with the surrounding air.

What is the most effective moth killer?

The best moth repellent solution overall is the Household Essentials CEDAR FRESH Cedar Closet Variety Pack. It comes with an assortment of solid cedar wood pieces and sachets, which you can place throughout your home to keep pests away.

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Does Ortho kill moths?

Help keep moths out by keeping doors closed and repairing holes in window screens. You can also apply Ortho® Home Defense MAX® Insect Killer for Indoor & Perimeter¹ around windows, door casings, and baseboards to help control moths in the house. Moth caterpillars can be very destructive in the yard.

Do cedar moth balls work?

As a natural alternative to something more toxic, like mothballs, cedar works well. You can even pair it with other herbs and oils to make it more effective. Keep in mind that mothballs last about 3 months (or longer, depending on airflow), as well.

Is it illegal to use mothballs outside?

Using mothballs to repel pests in the garden presents a danger to children, pets and wildlife that visit your garden. … Mothballs are insecticides that are controlled by the Environmental Protection Agency. This makes it illegal to use them for any purpose or by any method that isn’t specified on the label.

Where do you put mothballs?

Mothballs must be used in an airtight space, such as a garment bag or well- sealed container. Never place mothballs in an open closet or plastic garbage bag. Once vapors enter the home, their odor can persist for a long time.

Can you still buy mothballs?

But while mothballs are still available for purchase, you’re far less likely to find anyone who actually admits to using them to preserve their clothes or prevent an insect problem.

How long will moth balls last?

How Long Does it Take for Mothballs to Dissipate? One mothball in open air takes 3-6 months to dissipate entirely. If you place the mothball underneath clothing or otherwise not in open air, it will take up to 12 months to completely dissipate.

What kind of animals do mothballs keep away?

“Often, mothballs are used in these locations to control pests other than clothes moths,” Stone said. They include squirrels, skunks, deer, mice, rats, dogs, cats, raccoons, moles, snakes, pigeons and a variety of other animals.

How do I get rid of moths in my closet without mothballs?

Mix ¼ cup of neem oil in a 2-quart spray bottle. Fill it with water, then add a few drops of liquid soap. Shake well, and spray your solution directly on the moths. Another simple solution is to mix white vinegar with equal amounts of water to create a pesticide spray that is effective against moths.

What happens when mothballs get wet?

Wet mothballs are even more potent than dry ones. And the wetness can be profound, like exposure to water from a flood or leaky pipe, or mild, in the form of high humidity. Either will cause the odor to be more potent and sublimation to be more rapid.

How do you get rid of moths outside?

Apply citronella oil to the porch light every day when it is turned off. When you turn on the light at night, it will heat the dried oil, causing the citronella fragrance to spread. Citronella fragrance repels moths.

Can you use moth balls in a garage?

Use mothballs to repel mice from garage or shed Don’t let mice spend their winter vacation in your garage. Place a few mothballs around the garage, and the mice will seek other quarters. To keep mice out of our potting shed, put the mothballs around the base of wrapped or covered plants.

How do moth balls work?

Moth balls are actually small round discs of solid chemical pesticide, usually made of naphthalene or para-dichlorobenzene. … Moth balls use the gas which evaporates from the chemicals they contain to kill off moths and moth larvae. If placed in a sealed container, should protect your garments from moth damage.

What will happen if heat is given to naphthalene balls?

If heat is then added to naphthalene, it will melt until it reaches 80o C and it will stay at that temperature until melting is complete. This would be the melting point of naphthalene.

Why am I getting a lot of moths in my house?

David Cross, from pest control firm Rentokil, said: “Moth populations are much less active in winter, spending the colder months as pupae in dark, undisturbed places in our homes. … “Higher temperatures have been known to accelerate clothes moths’ reproductive cycles, making infestations more likely to occur.”

Why do I keep finding moths in my house?

What causes moths in the house? … “Clothes moths can enter homes by hiding out in clothing, furniture or home goods purchased from thrift stores, garage sales or consignment shops; and pantry moths can enter via eggs laid in foods like flour, cereal, beans and dried fruit,” added Tucker.

Why do I have brown house moths?

Pantry Moths These moths include several different species like the Indian meal moth and brown house moth. You’ll find them mostly in your kitchen pantry where you store grains and dry goods, like cereals, crackers and rice. They are also known to eat nuts, spices, and even chocolate.

What kills moths and their eggs?

Freeze Fabric – Some fabric simply cannot be washed. For those items, you can seal them in a plastic bag and put them in a freezer for about 12 hours. The intensely cold temperatures will kill eggs, larvae and moths.

How do you get rid of moths naturally?

Make your own natural repellant – Place dried rosemary, thyme, cloves, lavender or bay leaves into a small cloth bag and hang them in your wardrobe and place them in your drawers. The oil form of these herbs, sprayed on contaminated areas and clothes, can also repel moths.

What kills moth larvae?

Moth eggs, larvae and adult moths can all be killed by a hot-water wash cycle or by dry cleaning. And any that remain in the closet can be vacuumed up or removed by scrubbing.

Where do moths lay eggs?

Female outdoor moths lay their eggs in the branches, trunks, leaves or bark of trees. Some eggs, like gypsy moth eggs, overwinter in trees and hatch in spring to start munching on new tree growth.

Where do moths like to hide?

Where do they hide? They avoid light and are most commonly found in dark locations such as basements, attics and closets. Within these locations, moths can be found in the folds of fabrics or hiding in corners.