The best Asian lady beetle spray depends on where you need to treat and which formula you prefer. Harris offers two odorless, non-staining options with residual-kill claims, while EcoPest is a plant-based contact spray. Atticus Devito CS is a general insect-control product, and Cedarcide Original is listed for fleas and ticks rather than Asian lady beetles, so check its label before considering it for this pest.
| Product | Best suited for | Key consideration |
|---|---|---|
| Harris Gallon | Larger treatment needs | Odorless, non-staining residual formula |
| Harris 32 oz | Smaller residential needs | Label directions govern use |
| EcoPest 22 oz | Plant-based contact treatment | Claims are manufacturer-provided |
| Atticus Devito CS | Buyers comparing general insecticides | Beetle use is not established by the supplied details |
| Cedarcide Original | Buyers seeking a cedar-oil product | Listed for fleas and ticks, not beetles |
Harris Asian Lady Beetle Killer, Gallon

Best for: Homeowners who need a larger quantity of a product specifically named for Asian lady beetles. The listing describes an odorless, non-staining liquid with an extended residual-kill formula and also names Japanese beetles and box elder bugs.
Choose this if you want a larger package and residual treatment is a priority. The product name identifies the target pests directly, making it a more specific match than general insect sprays in this selection.
Limitation: The supplied product details do not specify application rates or surface-by-surface directions. Follow the product label for permitted uses and precautions.
Harris Asian Lady Beetle Killer, 32 Ounce

Best for: Buyers who want the Harris formula in a smaller listed size. Product details say it kills Asian lady beetles once the spray has completely dried and continues killing for weeks after application.
The formula is described as odorless and non-staining when used according to label directions. The listing also identifies it as EPA-registered for residential use and notes registration number 3-11. This is a strong fit for shoppers who want a beetle-specific spray and a stated residual effect.
Limitation: The listing says it is not available for sale in California. Do not treat the non-staining claim as permission to use it on every material; follow label directions.
EcoPest Plant-Based Beetle Spray, 22 Ounce

Best for: Buyers seeking a plant-based spray described for indoor and outdoor use. EcoPest says its essential-oil formula kills Asian lady beetles and boxelder bugs on contact and is free from pyrethroids and certain other synthetic ingredients.
The listing describes use on areas including entry points, siding, eaves, windowsills, baseboards, carpets, and furniture, and claims the formula is non-staining and residue-free. It also reports test results for specified boxelder bug stages and adult Asian lady beetles. These are manufacturer-provided claims, not independent verification in this comparison.
Limitation: The product is presented as a contact killer, not as a weeks-long residual treatment. Check the label for directions and surface suitability, especially before applying to fabrics or furnishings.
Atticus Devito CS Insecticide

Best for: Buyers comparing a general insect-control product that lists lambda-cyhalothrin as its active ingredient. The supplied details identify it as an insecticide but do not provide a specific Asian lady beetle claim or further application information.
Choose this only if the product label specifically includes Asian lady beetles and the location you intend to treat. Its inclusion here is for comparison, not a claim that the supplied product information confirms beetle control.
Limitation: Available details do not establish target-pest coverage, indoor or outdoor directions, residual duration, or surface compatibility. Verify all of these on the label before purchase or use.
Cedarcide Original Cedar Oil Spray

Best for: Buyers specifically looking for a cedar-oil bug spray for pests named in its product title, including fleas and ticks. Its listed purpose does not establish it as an Asian lady beetle treatment.
This product is a poor match if your primary need is a beetle-specific spray. Before using it against Asian lady beetles, check the label for explicit target-pest and application directions rather than assuming broad insect control.
Limitation: The supplied product information does not state that it kills or repels Asian lady beetles. It is included as a cautious comparison, not a recommendation for beetle control.
Buying Guide: How To Choose An Asian Lady Beetle Spray
Do you need contact kill or residual control?
A contact spray is intended to affect insects that are directly treated. A residual product is designed to keep working after application, according to its label. In this selection, EcoPest describes contact killing, while Harris describes residual activity. Compare the label’s target pests, permitted surfaces, and reapplication directions rather than relying only on general product descriptions.
Where will you apply the spray?
Indoor and outdoor directions can differ, and not every formula is suitable for every surface. Check whether the label permits use on the location you have in mind, such as window frames, siding, baseboards, or fabrics. Even products described as non-staining should be used only as directed; test a small inconspicuous area if the label advises it.
Does the product identify Asian lady beetles?
Prefer a label that names Asian lady beetles or the specific pest you are treating. A general insecticide’s active ingredient alone does not confirm that the product is labeled for this beetle or for indoor use. When details are missing, verify the label before buying or applying the product.
What else helps reduce recurring indoor visits?
Spray is only one part of pest management. Inspect around windows, doors, siding, and other entry areas, and address gaps where practical. Follow all pesticide directions, keep people and pets away as instructed, and avoid applying more product than the label allows.
Frequently Asked Questions
What spray is specifically listed for Asian lady beetles?
Both Harris products name Asian lady beetles in their product titles. EcoPest also describes its spray for Asian lady beetles and boxelder bugs.
Is an odorless spray necessarily safe to use anywhere indoors?
No. Odorless does not mean suitable for every surface or situation. Follow the label’s indoor-use, application, and safety directions.
How long does Harris spray continue to work?
The 32-ounce Harris listing says it continues to kill for weeks after application once dry. Follow the product label for conditions and use instructions.
Can I use Cedarcide Original for Asian lady beetles?
The supplied product details name fleas and ticks, not Asian lady beetles. Use it for beetles only if its label explicitly lists that pest and the intended application site.
Should I choose a spray based on “natural” or “chemical” wording?
Compare the labeled pest coverage, application directions, surface restrictions, and safety precautions. Product descriptors alone do not confirm that a spray is effective or appropriate for your situation.