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STEM Ant, Fly, & Roach Insect Killer Spray - 12 fl oz - 2 of 4STEM Ant, Fly, & Roach Insect Killer Spray - 12 fl oz - 3 of 4STEM Ant, Fly, & Roach Insect Killer Spray - 12 fl oz - 4 of 4
STEM Ant, Fly, & Roach Insect Killer Spray - 12 fl oz - 1 of 4

STEM Ant, Fly, & Roach Insect Killer Spray - 12 fl oz

12 Questions

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At a glance

About this item

Highlights

  • Scientifically formulated bug spray that kills ants, roaches, and flies
  • Insect killer that is safe for use around people and pets when used as directed
  • Fresh scented insecticide with no added fragrance, dye, or harsh chemical odors
  • Entomologist tested bug spray made with botanical extracts to kill insects
  • Insect killer for indoor and outdoor use, wherever bugs bother you
  • STEM flying and crawling insect spray: Rooted in Nature, Optimized by Science​

Description

The best defense against Mother Nature is Mother Nature. STEM Kills Ants, Roaches and Flies is rooted in nature, optimized by science. A bug spray for home and outdoors made with botanical extracts deadly for bugs. STEM’s scientists decode nature's power, scientifically optimizing it into effective bug-fighting forms.

STEM plant-based active ingredient bug spray is formulated with botanical extracts making it safe for use around people and pets when used as directed. This insecticide spray for indoor and outdoor use was tested by entomologists and has no added dye, fragrance, or harsh chemical odors.

DIRECTIONS FOR USE: DIRECTIONS FOR INDOOR or OUTDOOR USE:Please read the entire label Use only in accordance with label instructions Shake well before using Please Don't spray up into the air. Wait for flying insects to land before treating. Hold the bug spray bottle upright and about 12 inches from the target insects. Point the spray opening toward the bugs and pull the trigger 2-3 times to kill them. Repeat as necessary.You can use this product on insects wherever they may hang out, indoors or outdoors. Don't apply this product to surfaces on which food is stored, prepared, or eaten. THIS PRODUCT KILLS THE FOLLOWING BUGS: German Roaches, American Roaches, Argentine Ants, Pharaoh Ants, Carpenter Ants, Confused Flour Beetles, Black Carpet Beetles, Rice Weevils, Cellar Spiders, Houseflies, Gnats, and Mosquitoes.A NOTE ON SURFACES: This product may make floors slippery. To avoid possible injury from slips/falls or staining, after use, wipe away excess liquid after application with a cloth and clean with soapy water until the surface is not slippery. To avoid staining, test on an inconspicuous area before applying to surfaces, as this product may damage or stain some painted surfaces, hard or wood floors, furniture, and plastics.1. Directly spray landed insect 2. Wipe/clean surfaces if Damp PLANTS: Don't spray directly on plants because it may damage them.



WARNINGS: KEEP OUT OF REACH OF CHILDREN. WARNING: Slippery when wet. See additional precautionary statements on black panel. PRECAUTIONARY STATEMENT: This product may be harmful if swallowed. Avoid contact with eyes and skin, as irritation may occur. Prolonged or frequently repeated skin contact may cause allergic reactions in some individuals. Wash with soap and water after handling. Avoid contact with food and food utensils. Keep away from heat and open flame

INGREDIENTS: ACTIVE Geraniol 6.2%, Lemongrass Oil 0.5%, OTHER INGREDIENTS* 93.3%, Total 100%. *White Mineral Oil, Isopropyl Myristate, Ethyl Lactate.
Dimensions (Overall): 9.25 Inches (H) x 3.9 Inches (W) x 1.9 Inches (D)
Weight: .9 Pounds
Product Warning: Do not apply to fruit bearing plants, avoid contact with any surface, wash hands with soap and water after handling, avoid contact with skin, do not apply to blooming flowers, seek medical help if product is swallowed, skin irritant, flush immediately if product enters eyes, keep out of reach of children, keep out of eyes, do not ingest
Features: Safe to Use Around Kids and Pets
Treats and/or Prevents Against: Flies, Cockroaches, Moths, Mosquitoes, Gnats, Roaches, Ants, Fruit Flies
Indoor/Outdoor: Indoor, Outdoor
Capacity (Volume): 12 Ounces
Product Form: Liquid
Formulation: Kills Pests, Ready to Use
Active Ingredient(s): Geraniol 6.2% , Lemon Grass Oil .5%
Package Quantity: 1
Application Type: Pump Spray
TCIN: 84230597
UPC: 046500032783
Item Number (DPCI): 003-09-8371
Origin: Made in the USA
If the item details aren’t accurate or complete, we want to know about it.

Active ingredients

geraniol' '6.2% lemongrass oil' '0.5%

Purpose

Other information

Bottle Not Recyclable Unless Label Removed, Label - Plastic - Not Currently Recycled, Empty & Discard Sprayer, Bottle - Plastic - Widely Recycled, how2recycle.info, © 2023

Inactive ingredients

other ingredients: white mineral oil, isopropyl myristate, (+)- ethyl lactate 93.3%, total 100.0%

Shipping details

Estimated ship dimensions: 1.79 inches length x 3.68 inches width x 9.21 inches height
Estimated ship weight: 0.82 pounds

Return details

This item can be returned to any Target store or Target.com.
This item must be returned within 90 days of the date it was purchased in store, delivered to the guest, delivered by a Shipt shopper, or picked up by the guest.
See the return policy for complete information.

Q: Question 1of2(won’t all fit)When you say “roaches” do you also consider“Florida’s Lovely ‘Palmetto Bugs’or “EXCESSIVE LARGE ROACHES?Meaning will THIS SPRAY, or 1 your “other sprays”work to BOTH:1.PREVENT Palmetto Bugs

submitted by Momof2 - 1 year ago

  • A: Excellent question! STEM Ants, Roaches & Flies Spray is designed to kill American roaches when sprayed directly and doesn't have any residual effects. If you have any other questions, please give our experts a call at 877-869-7546 (weekdays between 8 a.m. and 5 p.m. CT). We'd love to help you fight nature with nature! – Mindi, STEM Consumer Care

    submitted bystem Team - 1 year ago
    Brand expert

Q: Is this good as a perimeter barrier?spraying outside of door entrances, windows, etc? I know someone who does w/100% efficacy,not reading that tho.If not,which product recommended as a deterrent?If it’s “POSSIBLE” that’s fine - otherwise need a rec. TY

submitted by HQtie - 24 days ago

  • A: Great question! This spray is intended to be sprayed directly at insects to eliminate them. We'd love to chat about which insects you're trying to keep out so we can give the best recommendation. Just give us a call at 1-877-869-7546 (weekdays, 8 a.m. to 5 p.m. CT) and mention reference number 23304394. – Brooklyn, STEM Consumer Care

    submitted bystem Team - 19 days ago
    Brand expert

Q: Am I able to use it for the inside of my car?

submitted by PA - 9 months ago

  • A: Great question! We haven't tested this specifically for use in cars. To avoid staining, test on an inconspicuous area before applying to surfaces, as this product may damage or stain some painted surfaces, hard or wood floors, furniture and plastics. Have a good day! – Brooklyn, STEM Consumer Care

    submitted bystem Team - 9 months ago
    Brand expert

Q: should i leave home after i spraying it？

submitted by Uki - 11 months ago

  • A: Hey there! STEM Ants, Roaches & Flies is designed to help tackle bugs in and around your home. There's no need to leave the house after using this, as the smell will dissipate within a few hours; it may take longer if sprayed heavily. We do recommend ventilating the area and wiping surfaces with warm, soapy water to help get rid of the smell quicker. Have a great day! – Mindi, STEM Consumer Care

    submitted bystem Team - 11 months ago
    Brand expert

Q: 2of2 Can you recommend 1of your products that effectively kills palmetto bugs when sprayed directly?NEEDsomething that WRKS IMMEDIATE.Your HONEST SUGGESTION would be appreciated,this could help many ppl who are terrified as well Thx!

submitted by Momof2 - 1 year ago

  • A: Hey there! STEM Ants Roaches Flies spray is made with botanical extracts that fight nature with nature and will kill pesky American roaches on contact. Have a great day! – Mindi, STEM Consumer Care

    submitted bystem Team - 1 year ago
    Brand expert

Q: Does it kill fruit flies?

submitted by Rise - 1 year ago

  • A: Thanks for reaching out! STEM Ants, Roaches & Flies isn’t designed to target fruit flies, but we’d love to help you find the right solution. Give us a call at 877-869-7546 (weekdays, 8 a.m. – 5 p.m. CT) so we can learn more about your situation and recommend the best option. Hope to hear from you! – Megan, STEM Consumer Care

    submitted bystem Team - 1 year ago
    Brand expert

Q: Can I use this around my garden?

submitted by Lwitwer18 - 1 year ago

  • A: Thanks for stopping by! We do not recommend using this on or around plants. We'd love to learn more about your situation to find the best product for you. Give us a call at 877-869-7546 (weekdays, 8 a.m. – 5 p.m. CT). Hope to hear from you! – Megan, STEM Consumer Care

    submitted bystem Team - 1 year ago
    Brand expert

Q: Can this product be sprayed on carpet and upholstery to kill bugs?

submitted by Cvdoug - 2 years ago

  • A: Thanks for asking! STEM Ant, Roach, & Fly is not formulated to be used on carpets or upholstery. For any further questions, you can reach us 877-869-7546 (weekdays, 8 a.m. – 5 p.m. CT). Take care! – Megan, STEM Consumer Care

    submitted bystem Team - 2 years ago
    Brand expert

Q: Hi, I bought this a few months ago, I want to use again today but the clear color changed to yellow color like pee. Is it normal? Can I still use it? Thank you.

submitted by NNSW - 2 years ago

  • A: Hi there! Our STEM line of insect killers are Entomologist tested, made with botanical extracts to kill bugs; with fresh scent and no added dye, fragrance, or harsh chemical odors. Slight variations can occur during the production of our products that result in visual changes. These variations in color are not known to affect efficacy. You can still use this with confidence as directed. Take care! – Brooklyn, STEM Consumer Care

    submitted bystem Team - 2 years ago
    Brand expert

Q: How do you spray if you cannot figure how to release te cap?

submitted by CAB - 2 years ago

  • A: Hi there! To use, twist the nozzle to the "on" position. Have a good day! – Brooklyn, STEM Consumer Care

    submitted bystem Team - 2 years ago
    Brand expert
See all questions (12)

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Guests are saying

This plant-based bug spray is a favorite among guests for its effectiveness in eliminating ants, roaches, and flies while being safe for use around children and pets. Many appreciate its pleasant scent compared to traditional chemical sprays, making it a great choice for indoor and outdoor use. The easy-to-use spray bottle and natural ingredients provide peace of mind, although some guests noted it can leave a sticky residue. Overall, it's a reliable option for pest control.
    Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
    4.5 out of 5 stars with 2699 reviews
    effectiveness: 3.77 out of 5
    quality: 3.64 out of 5
    value: 3.59 out of 5
    61% would recommend
    95 recommendations
    5 out of 5 stars
    Thumbs up graphic, would recommend
    3 August, 2026

    (no review title)

    I had a million ants invade the doors of my car and they died instantly!
    Brianna
    effectiveness: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    Did you find this review helpful?
    1 out of 5 stars
    26 July, 2026
    originally posted on stemforbugs
    Image

    BLACK FLAG, OR REGULAR ANT SPRAY!

    THIS PRODUCT DOES LITTLE TO KEEP ANTS OUT OF MY TRUCK! I BELEIVE ITS NOT BEING MADE PROPERLY PAST THE COVID DATES!!!!!!
    1 reply from STEM Consumer Care team - 12 days ago
    We're bummed to hear this left you disappointed. This product is a contact killer only and does not have any residual action to keep killing bugs after the product has dried. Rest assured, our team is here and happy to chat and learn more. Please give us a call at 877-869-7546 (weekdays, 8 a.m. – 5 p.m. CT) and mention reference number: 23310260.
    BEE BUDD
    Did you find this review helpful?
    1 out of 5 stars
    18 July, 2026
    originally posted on stemforbugs
    Image

    DO NOT BUY IF USED ON DECK !!

    DO NOT BUY ! Deeply Stained Our Newer Sealed Pressure Treated Deck. Making it look like crap with dark spots. Zero warnings on any label. But if you google it the problem arises. Tried rinsing off with hose later the same day. Won’t come off. Deck needs totally stripped now.
    1 reply from STEM Consumer Care team - 19 days ago
    We're really sorry to hear about your experience, and we understand how frustrating that must be. As mentioned on the label, we do suggest testing in a hidden spot first to avoid any staining. We're here to help, so please give us a call at 1-877-869-7546 (weekdays, 8 a.m. to 5 p.m. CT) and mention reference number 23303860 so we can best assist you.
    Bikk
    Did you find this review helpful?
    5 out of 5 stars
    17 July, 2026
    originally posted on stemforbugs
    Image

    Wonderful

    I love it! Smells much better than Raid, although not a pleasant smell. I spray once around the perimeter of my kitchen floor once every six months and those big waterbugs (aka american cockroaches) are gone. Six months later I may see one or two, and they're kind of slow moving. I spray again and they're gone for another six months.
    Mark
    Did you find this review helpful?
    5 out of 5 stars
    5 July, 2026
    originally posted on stemforbugs
    Image

    Repels sugar ants great!

    It worked wonders. I had sugar ants in my kitchen, I applied it outside and sparingly inside and haven't seen them at all since. My intent was a repellant, as I don't feel comfortable with killing them. It'll be helpful next year when they come back. It stinks real bad. Like floral vinegar. If applying inside, do so lightly and on a day you can vent the house. It lingered for about a day or so but the worst of it had vented off within 12 hours. It is oily but this wasn't a problem for where it was applied, but good to consider when using.
    No sugar for ants
    Did you find this review helpful?
    4 out of 5 stars
    12 June, 2026
    originally posted on stemforbugs
    Image

    Great Pet Safe Product

    [This review was collected as part of a promotion.] I really love that this is made with natural ingredients and safe to be used around pets. We have several inside animals and their safety is a priority. We've used this in our RV to keep out the ants and flies. It has a pleasant smell and sprays nicely for an even coverage.
    TashaR
    Did you find this review helpful?
    4 out of 5 stars
    3 May, 2026
    originally posted on stemforbugs
    Image

    STEM NO CHEMICAL SMELL

    [This review was collected as part of a promotion.] Im not going to lie I didnt have high hopes for this spray to work on ants because its marketed as not being harmful. And that tells me if it doesn't have the chemical smell n probably wont work..but surprisingly it does..I didnt have to open the windows to air out the toxins and all that..now ungotta keep up but it does work.
    VickieR
    2 guests found this review helpful. Did you?
    5 out of 5 stars
    13 April, 2026
    originally posted on stemforbugs
    Image

    On my third bottle!

    [This review was collected as part of a promotion.] I LOVE this spray — this is my third bottle! I’m definitely a person who stays as far away from bugs as possible, so I really appreciate that the concentration and long reach of this spray lets me stay a good distance away as I spray unwanted critters. I feel comfortable spraying this in a house full of people and pets as it’s safe for both, and love that it’s a natural formula to make me feel extra confident in this.
    AlexandraT
    1 guest found this review helpful. Did you?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    12 December, 2025Verified purchase

    stem bug repellent

    works really well!! makes cockroaches run for cover. thank god!!!
    Lynne
    effectiveness: 5 out of 5
    quality: 5 out of 5
    value: 5 out of 5
    2 guests found this review helpful. Did you?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    7 December, 2025Verified purchase

    (no review title)

    works 👍
    Carl
    effectiveness: 5 out of 5
    quality: 5 out of 5
    value: 4 out of 5
    1 guest found this review helpful. Did you?
    1 out of 5 stars
    31 October, 2025

    (no review title)

    This stem natural insect killer doesn't work very well as well as the spray can itself stop spraying after about half the can is missing. It's a waste of money.
    1 reply from stem Team team - 9 months ago
    Thanks for getting in touch with us. We're sorry to hear this. We expect STEM Ants Roaches & Flies to fight nature with nature, both indoors and out. We want to provide you with nothing but the best products and would love the chance to further help. Please give our experts a call at 877-869-7546 (weekdays between 8 a.m. and 5 p.m. CT) and provide reference number: 22993312. We hope to chat with you soon! – Mindi, STEM Consumer Care
    August
    1 guest found this review helpful. Did you?
    5 out of 5 stars
    Thumbs up graphic, would recommend
    14 October, 2025Verified purchase

    Worth every penny. Works great.

    This works so well. It’s basically immediate. You don’t have to keep spraying. It has a strong odor that isn’t pleasant, but I don’t think it’s a deal breaker. This is safe enough to use with a pet nearby. I’ve bought this repeatedly due to the consistently impressive performance of this formula on a variety of bugs.
    bob
    effectiveness: 5 out of 5
    quality: 5 out of 5
    value: 4 out of 5
    2 guests found this review helpful. Did you?
    4 out of 5 stars
    Thumbs up graphic, would recommend
    12 October, 2025Verified purchase

    Unexpectedly effective

    I had doubts but it's effective right with the first spray and I don't mind the smell at all as it reminds me of rosemary and I also didn't have to wait until the aerosol to disperse for a while to return to my room. One thing I don't quite like is that it's sugary sticky so I have to wipe down the surfaces but I suppose that's the mechanism of the spray to be effective. It's quite small but for living in a small space I will definitely buy it again.
    neonliker
    effectiveness: 5 out of 5
    quality: 5 out of 5
    value: 4 out of 5
    1 guest found this review helpful. Did you?
    2 out of 5 stars
    26 September, 2025
    originally posted on stemforbugs
    Image

    Strong scent

    [This review was collected as part of a promotion.] I like that this is a natural product and it does seem to work. It only works on contact with bugs. Besides that, I think the product smells very very strong. It smells like essential oils but it is very strong. It is super oily and I had to wipe it off after I sprayed it. It is hard to hit a bug with the spray unless it’s ants or something slow. I didn’t trust spraying it many places since it is oily I assume it will stain. This is not my favorite product. I’ll stick to the flyswatter inside and maybe use this outdoors but even that makes me nervous because I’m not sure if it’ll stain certain surfaces.
    1 reply from STEM Consumer Care team - 10 months ago
    We're sorry to hear you were disappointed with STEM, and we appreciate you sharing your feedback. Since the spray is made with essential oils, it does have a stronger scent, but it usually fades within a few hours. If the area was sprayed heavily, the fragrance might linger a bit longer. To help the scent clear out more quickly, we recommend ventilating the space and wiping down surfaces with warm, soapy water. If there's anything else we can do, please don’t hesitate to reach out at 877-869-7546 (weekdays, 8 a.m. – 5 p.m. CT), and have your reference number handy: 22969091. We’d love to help get your space back to bug-free!
    db16v_5452
    2 guests found this review helpful. Did you?
    5 out of 5 stars
    23 September, 2025
    originally posted on stemforbugs
    Image

    STEM indoor outdoor kills ants,roaches, and flies

    [This review was collected as part of a promotion.] Really like this product it’s safe for people and it’s also safe for pets, it definitely gets rid of the ants and flies and it’s well worth buying.
    beckyw84_1820
    2 guests found this review helpful. Did you?
    5 out of 5 stars
    23 September, 2025
    originally posted on stemforbugs
    Image

    Works great

    [This review was collected as part of a promotion.] Nice that it can be used indoor and outdoors because I need something to use for these indoor ants, flies, and random bugs I find on the wall or ceiling
    regina032t_2777
    1 guest found this review helpful. Did you?
    5 out of 5 stars
    18 September, 2025
    originally posted on stemforbugs
    Image

    This is safe around people and pets and that’s why

    [This review was collected as part of a promotion.] Was very happy with this bug spray. It had a nice scent. It was extremely effective and very safe. The packaging was nice and it’s a great value for the money I like it because it’s safe around people and pets.
    shawns59_7490
    1 guest found this review helpful. Did you?
    5 out of 5 stars
    17 September, 2025
    originally posted on stemforbugs
    Image

    Works great!

    [This review was collected as part of a promotion.] Wow! This stuff is awesome! It got rid of my of the ant problems I’ve had for weeks in a matter of days!!! I couldn’t be more happy with it and would definitely buy it again!
    latelywithlacy_2341
    1 guest found this review helpful. Did you?
    5 out of 5 stars
    13 September, 2025
    originally posted on stemforbugs
    Image

    Great product to help prevent critters

    [This review was collected as part of a promotion.] Very easy to use. Bottle has worked very well for the exterior of my home. Not letting flies roaches or ants. Get in safe for animals and people has a pepper mini smell but that is for helping keep the critters away. Overall a great product.
    tiffanyc406_7966
    1 guest found this review helpful. Did you?
    5 out of 5 stars
    13 September, 2025
    originally posted on stemforbugs
    Image

    Great product!

    [This review was collected as part of a promotion.] I’m really impressed! I love that it’s a clean, plant-based option—especially important with a toddler in the house. It gives me peace of mind knowing I can keep pests away without worrying about harsh chemicals.
    laurenk435_7139
    1 guest found this review helpful. Did you?

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