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Ants - and the Use of Pesticides- Safe In Your Home?

Ants and Pesticides - In Your Home

Having a problem with ants in your home. Want to get rid of them, but don't want to use pesticides that might hurt your or your family? Nuisance ants such as sweet ants, generally nest in the soil and enter houses in search of food or water. Carpenter ants nest in cavities that are sometimes carved out of our homes, like termites. Carpenter ants generally forage outside for food whereas nuisance ants sometimes forage inside our homes, especially when the weather is extremely, such as very dry or very wet. Nuisance ants generally do little or no structural damage whereas carpenter ants can do substantial damage to the structure over time. Carpenter ants are generally larger and more robust than sweet ants, which are usually small and black in color.

You are right to be concerned about the application of pesticides inside your home especially, if you have small children or a baby. Because babies spend so much of their time on the floor, they are significantly smaller than adults, and tend to put their hands and other objects in their mouths, they are at a higher risk for ingesting sufficient pesticides residue to cause adverse affects.

Fortunately, ants are one of those pests for which pesticides might be used as an absolute last resort. Depending on the type of ant that is infiltrating your home, there are many non-toxic alternatives which you can try first. One thing to bear to mind, ants are coming into your home because they have detected a food source. The first step in eliminating your ant problem lies in identifying the food source that they are attracted to. If you can identify the source, try removing it altogether, or at least sealing it in a container that would prevent the odor from escaping. The second step in eliminating ants is identifying their nest location and the path they take from their nest to their food source. Unlike many pests, ants do follow a regular trail, so it is important that you find it as part of the elimination process. The final elimination step consists of either repelling the ants or actually killing them. Repelling them does not guarantee that they won't find another route to their food source, but killing them does not guarantee that another ant colony won't discover the source later. This is the case whether you use chemical pesticides or natural alternatives.


Ants can be repelled by vinegar, cayenne pepper, citric extracts, bone meal, cinnamon, cream of tartar, salt, and perfume. You will have to keep trying different repellents to find the one your ants aren't willing to tolerate. Place lines of the selected repellent at points of entry and at various points along their path.


There are two ways to kill ants. The first is to dehydrate them by laying out piles of instant grits ( a corn product usually located in the cereal section of the grocery store) at the point of entry and along their trail. They will think of the grits as a food source and consume the pellets. The grits will in turn absorb moisture from the ant's body, thus killing it (instant grits are specially formulated to absorb water more rapidly that regular grits, thus they are more effective). The second method to kill ants is to feed them a mixture of 1 part active dry yeast, 2 parts molasses, and 1 part sugar. They will be attracted to the sugar in the mixture and will eat it readily. Once consumed the yeast will produce gas in the ant, and because they can't expel the gas, it will kill them.

Another method of elimination involves the elimination of the nest. If you can find the nest, you can try pouring boiling water over the nest. If that isn't sufficient, you can try adding cayenne pepper to the boiling water, or using citrus extracts. If you have multiple nests, you could dig up a bucket of ants from one nest and dump it on another nest. Ants are very territorial, and they will readily hunt and kill invading colonies.

If this isn't working, the bait traps that contain a poison that the worker ants carry back to the nest and feed the queen works well. the ZEP brand traps (see photo) work well, in my experience. The poison is encased in a plastic shell that makes it very difficult for anything larger than an ant to get to. they can be set on the top of windows and molding where the ants can get to them, but children can not. If they are working, you will see a steady stream of ants filing to and from the trap. leave them be, as the more of it they carry back to the colony, the more effective it will be.

Finally, if you make way through these alternatives and have not found relief from your ant problem, call in an exterminator. Let the applicator know that you have a small child. Before selecting an exterminating company, ask what products they propose using ask to see Material Safety Data Sheets (MSDSs) on the proposed products. If you are not comfortable with the information provided on the MSDS, contact the NIEHS Office of Communications (919-541-3345) with a list of the active chemical ingredients (we need the actual chemicals - we only have a limited ability to track down brand names). We have a number of resources to which we can turn for pesticide information. If we can find references for the active ingredients, we will provide that information to you.

For more information on Pesticides and Children please see:

Related Subjects:

Product composition, ingredients, safety information for commonly sold ant pesticides - from the National Institute of health

Click on the links below to look up composition, health and safety information about a particular ant pesticide.

Bisect CG Pesticide (Industrial)
Bonide Ant Killer Granules
Bonide Ant Traps
Bonide Ant, Flea & Tick Killer Granules
Combat Superbait Ant Baits
Enforcer Ant & Insect Barrier Treatment III
Enforcer Ant Baits
Enforcer Exterminator Plus Carpenter Ant Killer Concentrate
Hot Shot Maxattrax Ant Bait
Orthene Fire Ant Killer 1
Ortho Ant B Gon
Ortho Ant Killer
Ortho Ant Stop
Ortho Ant Stop Ant Killer Bait 2
Ortho Ant Stop Ant Killer Dust 2
Ortho Ant Stop Ant Killer Dust 3
Ortho Ant, Flea, & Tick Killer Ready Spray
Ortho Borer & Leaf Miner Spray 1
Ortho Diazinon Granules
Ortho Diazinon Soil & Turf Insect Control
Ortho Dursban Lawn Insect Spray 1
Ortho Fire Ant Killer Granules
Ortho Home Defense Flying & Crawling Insects
Ortho Isotox Insect Killer Formula IV
Ortho Ready To Use Bug B Gon Multi Purpose Insect Killer
Ortho Termite & Carpenter Ant Killer Concentrate
Raid Ant Bait
Spectracide Immunox Plus Insect & Disease Control
Spectracide Immunox Plus Multi Purpose Fungicide + Insect Control Spray
TAT Ant Trap
TAT Ant Trap-10/25/2000

Fire ants:

Bonide Liquid Rotenone/Pyrethrins Spray
Bonide Rotenone 5% Insect Control
Champion Fire Ant Killer
Champion Sprayon Fire Ant Killer
Enforcer Ant & Insect Barrier Treatment III
Ortho Fire Ant Bait
Vikor Fire Ant Killer

Ants and roaches:

Bonide Ant, Roach & Spider Killer
Bonide Roach Powder
Bonide Total Pest Control Concentrate (Indoor)
Champion Sprayon Ant & Roach Killer
Deep 6 Home Insect Fogger
Deep 6 Roach & Ant Killer
Enforcer Home Pest Control XII
Home Defense Indoor & Outdoor Insect Killer
Home Defense Indoor & Outdoor Insect Killer 5
Hot Shot Roach & Ant Killer 2
Hot Shot Roach & Ant Killer 2-11/13/2001
Ortho Roach, Ant & Spider Killer
Raid Ant & Roach Killer
Raid Ant & Roach Killer (Institutional)
Real Kill Ant & Roach Killer 2
SprayPAK Flying & Crawling Insect Killer
Zodiac Multi Purpose Home & Insect Spray

Termites and Carpenter Ants

Bonide Carpenter Ant Control Concentrate
Bonide Termite & Carpenter Ant Control Concentrate
Bonide Termite & Carpenter Ant Dust
Bonide Termite & Carpenter Ant Dust Aerosol
Bonide Termite & Carpenter Ant Killer Ready To Use
Enforcer Termite & Ant Killer
Home Defense Ortho Klor Soil Insect & Termite Killer
Ortho Termite & Carpenter Ant Killer Concentrate
Spectracide Carpenter Ant & Termite Killer Insect Spray Concentrate

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Interesting Reads:

THE PREPPER'S CANNING & PRESERVING BIBLE: [13 in 1] Your Path to Food Self-Sufficiency. Canning, Dehydrating, Fermenting, Pickling & More, Plus The Food Preservation Calendar for a Sustainable Pantry

The Backyard Homestead: Produce all the food you need on just a quarter acre! Paperback

The Citizens' Guide to Geologic Hazards: A Guide to Understanding Geologic Hazards Including Asbestos, Radon, Swelling Soils, Earthquakes, Volcanoes

The Uninhabitable Earth: Life After Warming

Book: The Sixth Extinction: An Unnatural History Paperback

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