Wilson® WASP OUT™
Jet Foam Wasp & Hornet Killer

Former name: Wilson One Shot Jet® Foam Wasp & Hornet Killer

Is your property being attacked by wasps, hornets or yellowjackets? You need to put a sting operation into place. WASP OUT Jet Foam Wasp & Hornet Killer is exactly what you need. It contains two active ingredients that kill these insects on contact and makes entire nests uninhabitable in 48 hours because pests outside the nest will not return. What’s more, it comes with an applicator wand that can get to nests in hard-to-reach places. It also contains peppermint essential oil, that leaves behind an agreeable scent in places like patios, porches and decks.

Benefits and characteristics

Kills wasps, hornets and yellowjackets from safe distance -- 2 to 2.5 m (6 to 8 ft)

Kills wasps, hornets and yellowjackets from safe distance -- 2 to 2.5 m (6 to 8 ft)

Residual effect eliminates nests within 48 hours

Residual effect eliminates nests within 48 hours

Where to use

  • Indoors

  • Outdoors

  • Lawn

  • Flower gardens

  • Edible gardens

  • Trees and shrubs

  • Patios, porches and decks

  • Building foundations

Effective against

How to use Wilson WASP OUT Jet Foam Wasp & Hornet Killer

For use outdoors only to treat nests under eaves, near window frames, doorways, carports, picnic areas and outdoor play areas, or anywhere nests are built.

Not for use against nests located underground or in voids.


Step 1
Shake can well before use.

Step 2
Remove protective cap and insert applicator wand into spray nozzle before using.

Step 3
Wait approximately 30 seconds before spraying to allow formula to settle and for optimal stream.

Step 4
Do not stand directly underneath nest. Stand a safe distance from the nest 2 to 2.5 m (6 to 8 ft).

Step 5
Aim nozzle at the opening in the nest and push button to spray until soaked.

Step 6
Then spray the rest of the nest until it is saturated.

Step 7
After 48 hours, remove the treated nest wearing gloves.



  • Spray nest at sunrise or sunset when insects are least active.
  • Stand a safe distance from the nest to spray: 2 to 2.5 m (6 to 8 ft).
  • Saturation of the nest is required for control.
  • Spray only if there is no wind or breeze.
  • Avoid spraying vegetation directly. Rinse any desirable foliage that is contacted with spray.


  • Pre-test siding. Evaluate 30 minutes after test application for potential staining. Never apply to vinyl or aluminum siding while exposed to direct sunlight or during the heat of day. Avoid application to asphalt roofing shingles as staining may occur.
  • Do not place in hot water or near radiators, stoves or other sources of heat.
  • Do not use this product in or on electrical equipment due to possibility of shock hazard.
  • When container is empty, press valve to release all remaining pressure.
  • Wrap in newspaper and discard empty container in household garbage.
  • Do not puncture or incinerate.

Store in a cool, dry place away from heat or open flame, preferably in a locked storage area.

For additional product information or in case of emergency, spills or fire, call toll-free 1-800-268-2608.


General precautions

  • Keep out of reach of children.
  • Wash hands thoroughly after handling and before smoking or eating.
  • Environmental: toxic to aquatic organisms, birds, bees and beneficial insects.


Hazards to humans

Can cause irritation to eyes. Can be harmful if ingested.


If on skin or clothing

Take off contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes.


If in eyes

Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses if present after the first 5 minutes, then continue rinsing eye.


If swallowed

Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to by a poison control centre or doctor. Take container, label or product name and P.C.P. Registration Number with you when seeking medical attention.


If inhaled

Move person to fresh air. If person is not breathing, call 911 or an ambulance, then give artificial respiration, preferably mouth-to mouth, if possible.


In every case, call a poison control centre or doctor for treatment advice.


Environmental hazards
Do not spray bees. This product is intended for use on wasps, yellowjackets and hornets only.


Download safety data sheet link.

Tetramethrin 0.20%
d-Phenothrin 0.20%

Frequently asked questions about Wilson WASP OUT Jet Foam Wasp & Hornet Killer

The foam contains an instant killing insecticide that destroys the entire population of the nest in one shot. WASP OUT Jet Foam Wasp & Hornet Killer can be used from a short distance of 2-2.5 metres (6-8 feet). The foam acts as a physical barrier, completely engulfing the nest and cuts off any wasps trying to escape. The long straw inserted into the nest allows for the foam to completely fill and saturate the nest.

It is an immediate-kill product. There is a short residual effect, that will kill all insects in the nest within 48 hours.

It kills the nest inhabitants immediately.

Yes, with its fast killing action. It is best to spray either early in the morning or late in the day, when most of the wasps and hornets are nestled in for the night. After 48 hours, it is safe to remove the nest, as wasps and hornets that were out of the nest at spraying time will not re-enter. They will move on.

Haven't found the answer to your question?
We are here to help you!

Contact us

Similar insecticides

Related articles