Spotted lanternflies are not actually flies at all. These invasive planthoppers act more like voracious sap suckers that can ruin your trees and gardens in record time.
Finding the Best Insecticides for Spotted Lanternfly requires moving beyond basic garden sprays to target them during their specific life cycles. These pests are stubborn, but you can protect your landscape by choosing the right tools. Read on to see how you can manage them.
Key Takeaways
- Prioritize contact sprays for immediate knockdowns when you spot active swarms on your tree trunks.
- Use systemic insecticides containing imidacloprid for long term protection throughout the growing season.
- Check the concentration levels of active ingredients like bifenthrin to ensure you have enough volume for larger infested areas.
- Consider physical barriers like sticky traps as a secondary measure to reduce the number of nymphs climbing your trees.
- Verify that your chosen chemical solution is labeled safe for your specific types of trees or crops before application.
| Best Physical Barrier |  |
Qualirey Yellow Spotted Lanternfly Trap | Chemical-free pest control | Ideal for tree trunks | Large quantity per pack | View on Amazon | Read Review |
| Simple Spray Solution |  |
Harris Spotted Lanternfly Ready-to-Use Spray | No mixing required | Odorless formula | Includes refill funnel | View on Amazon | Read Review |
| Broad Spectrum Powerhouse |  |
Agrisel Bifenthrin Pro 7.9 Insecticide | Controls 125 plus insects | High-volume professional concentrate | Safe for many plants | View on Amazon | Read Review |
| Gentle Garden Guardian |  |
Sevin Ready-to-Use Insect Killer | Safe for many plants | No mixing needed | Fast-acting formula | View on Amazon | Read Review |
| Versatile Indoor Protection |  |
Harris Home Liquid Gallon Spray | Odorless indoor formula | Kills many household pests | Residual protection | View on Amazon | Read Review |
| Essential Physical Barrier |  |
Sticky Fly Paper Tree Wrap | Includes egg scraper tool | Durable tree tape | Prevents nymph climbing | View on Amazon | Read Review |
| Precision Measuring Concentrate |  |
Atticus Talak Bifenthrin Concentrate | Easy measuring bottle | High-strength bifenthrin | Versatile for 70 plus pests | View on Amazon | Read Review |
| Organic-Friendly Option |  |
Monterey Spinosad Garden Insecticide | Derived from natural sources | Great for organic gardens | Effective on foliage | View on Amazon | Read Review |
| Deep Root Treatment |  |
Quali-Pro Imidacloprid 2F Insecticide | Systemic long-lasting protection | Professional grade formula | Absorbed by trees | View on Amazon | Read Review |
| High-Volume Bulk Value |  |
Atticus Talak 96oz Bifenthrin Concentrate | Large bulk capacity | Easy measuring chamber | Proven bifenthrin efficacy | View on Amazon | Read Review |
More Details on Our Top Picks
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Qualirey Yellow Spotted Lanternfly Trap
If you want to stop these pests without spraying chemicals, these traps are your first line of defense. They work like a sticky moat around your tree trunks, catching the nymphs as they crawl upward.
You get a generous 16-pack, which is helpful if you have a yard full of maples or fruit trees. Just keep in mind that these traps are purely mechanical, so they won't help if the adults have already started flying away.
- Brand Name:Qualirey
- Product Type:Sticky Trap
- Application Method:Tree wrap
- Additional Feature:Bright yellow color attracts insects
- Additional Feature:Easy to install with pins
- Additional Feature:Protects bark from crawling nymphs
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Harris Spotted Lanternfly Ready-to-Use Spray
Sometimes you just need a ready-to-use solution that you can grab and go. This gallon jug includes a spray applicator and a funnel, making it easy to treat specific areas around your porch or siding.
The formula is designed to be odorless and non-staining, so you can use it near your home without worrying about lingering smells. It is best for spot-treating individual insects rather than covering large acres of land.
- Brand Name:Harris
- Product Type:Liquid Spray
- Container Size:128 ounces
- Application Method:Trigger sprayer
- Additional Feature:Non-staining on most surfaces
- Additional Feature:Convenient handle for carrying
- Additional Feature:Ready for immediate use
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Agrisel Bifenthrin Pro 7.9 Insecticide
When you have a major infestation that covers more than just lanternflies, this concentrate is your best friend. It targets over 125 different pests, acting like a protective shield around your property perimeter.
You will need to mix this with water in a pump sprayer. Because it is a professional-strength concentrate, a single gallon lasts a long time, but you must be careful to follow the dilution ratios precisely.
- Brand Name:Agrisel
- Product Type:Insecticide Concentrate
- Active Ingredient:Bifenthrin 7.9%
- Container Size:1 gallon
- Application Method:Pump sprayer
- Pest Coverage:125 plus species
- Additional Feature:Long-lasting residual control
- Additional Feature:Suitable for crops
- Additional Feature:Interior and exterior use
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Sevin Ready-to-Use Insect Killer
If you are worried about harming your vegetables and flowers, this is a safer bet for targeted application. It is formulated to be used directly on plants without the need for complex prep work.
This spray provides a quick way to handle bugs that are currently munching on your foliage. It is not as long-lasting as a heavy-duty concentrate, so you may find yourself reapplying more frequently during peak infestation weeks.
- Brand Name:Sevin
- Product Type:Ready-to-use liquid
- Container Size:1 gallon
- Application Method:Trigger spray
- Additional Feature:Broad kill list
- Additional Feature:Easy-to-use spray nozzle
- Additional Feature:Reliable garden brand
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Harris Home Liquid Gallon Spray
This is a solid choice if you need a product that keeps your indoor living spaces clear of invaders. While it handles lanternflies, it is equally effective against common household pests like ants, roaches, and spiders.
The residual formula creates a barrier that keeps working after it dries. Avoid using this on delicate fabrics, even though it is generally non-staining, just to be on the safe side.
- Brand Name:Harris
- Product Type:Liquid Spray
- Container Size:1 gallon
- Application Method:Pump or trigger
- Pest Coverage:Ants, spiders, roaches, lanternflies
- Additional Feature:Non-staining finish
- Additional Feature:Effective on various surfaces
- Additional Feature:Ready to spray
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Sticky Fly Paper Tree Wrap
Think of this as a defensive fence for your trees. By wrapping the base, you prevent nymphs from climbing up to reach the sap they love so much.
The kit includes an egg scraper, which is a vital tool for removing dormant egg masses before they hatch in the spring. It is a labor-intensive method, but it is one of the most effective non-toxic ways to save your trees.
- Brand Name:Generic
- Product Type:Sticky Tree Tape
- Application Method:Wrap around bark
- Additional Feature:Comes with installation pins
- Additional Feature:Ant barrier properties
- Additional Feature:Multiple rolls included
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Atticus Talak Bifenthrin Concentrate
This concentrate is excellent for those who want to control their costs by mixing their own batches. The bottle design includes a built-in measuring chamber, which saves you from fumbling with extra cups or spoons.
It is a very potent formula that works well on exterior foundations and landscaping. Just be sure to wear gloves when mixing, as this is a concentrated chemical that requires careful handling.
- Brand Name:Atticus
- Product Type:Insecticide Concentrate
- Active Ingredient:Bifenthrin 7.9%
- Container Size:32 ounces
- Application Method:Pump sprayer
- Pest Coverage:70 plus species
- Additional Feature:Built-in measuring tip
- Additional Feature:Indoor and outdoor use
- Additional Feature:Professional quality
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Monterey Spinosad Garden Insecticide
If you prefer a product derived from naturally occurring bacteria, this is the route to take. Spinosad is a favorite among gardeners who want to manage lanternflies without using synthetic pyrethroids.
It is very effective but has a slightly different mode of action, meaning it is best used on contact. You will need to make sure you coat the insects thoroughly for the best results.
- Brand Name:Monterey
- Product Type:Organic Insecticide
- Container Size:32 ounces
- Application Method:Sprayer
- Additional Feature:Includes measuring spoon
- Additional Feature:Low impact on many beneficials
- Additional Feature:Targeted pest control
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Quali-Pro Imidacloprid 2F Insecticide
This is a systemic insecticide, which means the tree absorbs it into its tissues. It is a long-term strategy that protects the tree from the inside out, making it an excellent choice for highly valued specimen trees.
Because it is systemic, you apply it as a soil drench around the base. It takes longer to work than a contact spray, but the protection lasts significantly longer throughout the season.
- Brand Name:Quali-Pro
- Product Type:Systemic Insecticide
- Active Ingredient:Imidacloprid
- Application Method:Soil drench
- Additional Feature:Generic version of Merit
- Additional Feature:Prevents future infestations
- Additional Feature:High concentration
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Atticus Talak 96oz Bifenthrin Concentrate
If you have a large property or a severe lanternfly problem, buying in bulk is the smartest move. This 96-ounce jug gives you enough concentrate to manage an entire landscape for a full season.
It uses the same convenient measuring system as the smaller bottles, so you won't struggle with pouring. It is an investment that pays off by reducing the number of store trips you need to make all summer.
- Brand Name:Atticus
- Product Type:Insecticide Concentrate
- Active Ingredient:Bifenthrin 7.9%
- Container Size:96 ounces
- Application Method:Pump sprayer
- Pest Coverage:70 plus species
- Additional Feature:Cost-effective bulk size
- Additional Feature:Consistent professional results
- Additional Feature:Durable packaging
Frequently Asked Questions
Can I use household soap instead of store bought insecticide?
While a mixture of dish soap and water can kill individual nymphs on contact, it lacks the residual power of commercial insecticides. It will not keep the insects away once the soapy water dries. For a serious infestation, you need a product designed for long-term control.
How often should I reapply the insecticide?
Check the label on your specific bottle for the manufacturer's recommended reapplication interval. Most effective products suggest a follow up treatment every three to four weeks during the peak season. Following these directions prevents the insects from developing a resistance to the treatment.
Is it safe to use these sprays near my vegetable garden?
Most insecticides for spotted lanternflies are not labeled for use on edible crops. You should create a wide perimeter around your garden beds to avoid chemical runoff or drift. Always read the back of the label to see if your specific plants are on the restricted list.
Will the insecticide kill the eggs during the winter?
No, these sprays are primarily designed to target the active nymphs and adults. To manage the overwintering eggs, you must scrape them off the bark with a plastic card or putty knife. Insecticides are simply not the right tool for the egg mass stage of their life cycle.
What should I do if it rains shortly after I spray?
Rain can wash away the treatment before it has time to adhere to the tree bark. If you experience a heavy downpour within a few hours of application, you will likely need to repeat the process. Wait until the foliage is completely dry to ensure the chemical bonds properly.
