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Frequently Asked Questions About Our Insect Contact Killers

 

If you have any questions about pest control and our bug contact killers, you’ve come to the right place!

Baits
Ants
Traps
Contact Killers

Contact Killers (Sprays, Dust, Granular)

 

 

 

 

Helpful Resources Faqs

Q: I'm terrified of wasps! Where should I spray your Wasp & Hornet Killer to keep them away?

A: To prevent wasps and hornets from entering your home, we recommend spraying TERRO® Wasp & Hornet Killer in outdoor areas such as cracks and gaps around outdoor plumbing and electrical penetrations, cracks in foundations and along window sills. It’s also a good idea to spray under eaves around doorways and near play areas. Indoors, the spray can be used in attics and anywhere nests are built.

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Q: What is the best time of day to spray wasp and hornet nests?

A: Spray nests with at sunrise or dusk when insects are least active. TERRO® Wasp & Hornet Killer’s entrapping foam shoots up to 20 feet away which allows you to keep a safe distance away from the nest when spraying. To use, spray the nest opening until it is soaked and then spray the rest of the nest. After spraying, wait up to 24 hours before removing the nest and discarding.

For more tips on killing wasps and hornets, click here:

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Helpful Resources Faqs

Q: I need to knock out an ant invasion quickly – what do you recommend?

A: We suggest using TERRO® Ant Killer Spray or TERRO® Outdoor Ant Spray - both products kill on contact and will continue killing up to 12 weeks. And better yet, these sprays are also effective against cockroaches, spiders, crickets, scorpions and other unwanted insects.

Helpful Resources Faqs

Additionally, since most ant infestations are linked to a colony located outside the house, we also suggest using our fast-acting TERRO® Outdoor Ant Killer Granules for instant knock down of ants, cockroaches, fleas and other insects. Like our Ant Killer Sprays, this product also provides long lasting repellency and it’s super easy-to-use; using the convenient shaker bag, simply apply the granules around the perimeter of your house for an instant kill and long-term insect control.

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Q: What is the best way to treat an unusually large ant invasion?

A: Ant populations that have become quite large sometimes require more than one treatment. We recommend the following two-step process to control large infestations.

 

STEP #1 –Bait Worker Ants

Helpful Resources Faqs

The first step to successfully controlling ants is to lure worker ants – those that you see marching around inside your house – to TERRO® Liquid Ant Baits. The ants will consume the bait and carry it back to the nest to feed the Queen and the rest of the colony. While the insecticide in the bait will ultimately kill the worker ant, it works slowly enough that the worker has time to get back and share the bait with the colony.

 

STEP #2- Create an Outdoor Barrier

Helpful Resources Faqs

Since most ant infestations are linked to a colony that is located underground outside the house, the second line of defense is setting up a barrier around the perimeter of your house with TERRO® Outdoor Ant Killer Granules. The granular ant killer kills pests on contact and provides long lasting residual repellency. The Ant Killer is packaged in a shaker bag for easy application- no spreader is needed. After applying the granules around the foundation of your home, water in lightly.

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Helpful Resources Faqs

Q: What product do you recommend for killing Fire Ants?

A: TERRO® Ant Dust is an effective way to control fire ant infestations. The ant dust kills pests on contact and will continue killing up to 8 months, because the unique waterproof formula won’t wash away in the rain.

To treat fire ant mounds, sprinkle approximately one tablespoon of the Ant Dust over the top of each mound. Do not water in or disturb the mound. Apply when temperatures are between 65° and 80°F and allow three to four days for the product to control the ants

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Helpful Resources Faqs

Q: Last fall we were invaded by stink bugs; is there anything I can do to keep them from invading us again this year?

A: When cool weather arrives, stink bugs begin search for a warm place indoors to hibernate for the winter. Before an indoor stink bug invasion gets out of control, we recommend setting up an outdoor barrier with TERRO® Ready-to-Use Stink Bug Killer Spray. This product not only kills on contact, it also provides a long-lasting residual control up to four months.

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Helpful Resources Faqs

Q: I have stink bugs all over my kitchen; they seem to be multiplying before my eyes! How do I get rid of these smelly pests.

A: We recommend treating your home with TERRO® Stink Bug Killer. This convenient, easy-to-use aerosol spray features a two-way directional spray nozzle that is ideal for spot or crack and crevice treatments. Apply to areas where stink bugs crawl and hide, especially around sinks and storage areas; behind baseboards; around doors and windows; behind and under refrigerators, cabinets, and stoves.

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Q: Are stink bugs harmful?

A: Though not harmful to homeowners, stink bugs are aptly named - it refers to the scent glands located on the underbelly of the insects. When frightened or smashed, the bugs release a terrible smell. If not treated, stink bugs can take over your house in a matter of days, quickly turning from a few bugs into a full blown infestation.

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Helpful Resources Faqs

Q: I’ve got bugs crawling everywhere in and around my house! I’m looking for a product that will wipe them all out – can you help?

A: We've got you covered! TERRO® Home Insect Killer is effective against more than a whopping 65 different types of insects, including ants, cockroaches, spiders, ticks, lice, pantry pests, bedbugs, carpet beetle and ornamental garden insects – just to name a few.

This multipurpose, ready-to-use insect killer is odorless, non-staining and can be used indoors and outdoors. And better yet, it not only kills on contact but also provides long-lasting residual control against unwanted pests.

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