Choosing the best systemic insecticide for tree borers is essential because these hidden pests tunnel inside trunks and branches where contact sprays simply cannot reach them. Systemic products are absorbed by the tree and transported through its vascular system, delivering the active ingredient directly to the larvae feeding inside.
Systemic insecticides for tree borers have become the preferred control method among arborists, orchardists, and homeowners dealing with destructive infestations. Unlike surface sprays that only kill insects on contact, systemics move throughout the tree to target borers at every stage of their development, often providing protection for an entire season.
The key to success with systemic borer insecticides lies in selecting the right active ingredient for your specific borer species, applying at the correct time of year, and delivering the product effectively through soil drench, trunk injection, or bark spray. With proper timing and application, systemic treatments can save valuable trees that would otherwise be lost.
In this guide, the 15 best systemic insecticides for tree borers are carefully reviewed based on their active ingredients, application methods, effectiveness, and suitability for different tree species and borer types to help you protect your trees effectively.
15 Best Systemic Insecticide For Tree Borers
1. Imidacloprid 2F – Best Overall Systemic Insecticide For Tree Borers
Imidacloprid 2F is the best overall systemic insecticide for tree borers because it delivers long-lasting control through soil drench or trunk injection and is absorbed rapidly by roots for distribution throughout the tree. This versatile neonicotinoid is a favorite for controlling a wide range of borer species.
- KEY FEATURE: For systemic control of soil inhabiting pests in turfgrass and landscape plantings; featuring low use rates, application flexibility and great value
- LOW USE RATES for cost-efficient, highly effective control
The concentrated liquid formulation is absorbed by roots and transported upward through the xylem, reaching larvae feeding in trunks and branches. Moreover, Imidacloprid provides season-long protection with a single application, making it highly cost-effective for valuable trees. Therefore, it offers reliable, long-lasting borer control with flexible application methods.
Imidacloprid 2F is easy to apply as a soil drench around the root zone or as a trunk injection for faster results, with both methods delivering excellent control. Furthermore, it is effective against flatheaded borers, roundheaded borers, and many other wood-boring pests. Overall, this product delivers outstanding systemic control with exceptional versatility.
Pros:
- Long-lasting season control
- Soil drench or trunk injection
- Effective against many borers
- Rapid root absorption
- Cost-effective per tree
- Widely available
- Proven professional results
Cons:
- Harmful to pollinators
- Slow acting via soil drench
- Restricted in some regions
2. Dinotefuran 20SG – Best Fast-Acting Systemic Insecticide For Tree Borers
Dinotefuran 20SG is the best fast-acting systemic insecticide for tree borers because it moves into trees rapidly and controls active infestations faster than most other systemics. This soluble granule is a favorite for treating trees showing visible borer damage.
- Target pests: See label for complete list. Control Insects: adelgids, aphids, flatheaded borer such as flatheaded appletree borer, sharpshooters, lacebugs, leaf beetles, leafhoppers, leafminers, mealybugs, psyllids, root weevils, roundheaded borers, scales (armored and soft), thrips (suppression), whiteflies, white grubs.
- Yield: Yield varies depending on crop and pest being treated. As an example: four to eight ounces per 100 gallons as a spray and 12 to 24 ounces per 100 gallons as a drench.
The highly water-soluble granules dissolve quickly and are absorbed by roots or foliage within days, reaching borer larvae faster than slower systemics. Moreover, Dinotefuran controls a broad spectrum of borers including emerald ash borer and Asian longhorned beetle. Therefore, it offers rapid control when fast action is essential.
Dinotefuran 20SG is easy to apply as a soil drench, bark spray, or trunk injection, with its solubility making it suitable for several delivery methods. Furthermore, it provides excellent control of both adult borers and larvae when applied at the correct time. Overall, this product delivers fast, effective borer control with versatile application.
Pros:
- Fast absorption and action
- Controls active infestations
- Multiple application methods
- Effective against EAB
- Highly water-soluble
- Reliable results
- Good for urgent treatment
Cons:
- Shorter residual than imidacloprid
- Harmful to pollinators
- Requires precise timing
3. Emamectin Benzoate – Best Trunk Injection For Tree Borers
Emamectin Benzoate is the best trunk injection product for tree borers because it delivers highly effective, long-lasting control directly into the tree’s vascular system with minimal environmental impact. This professional-grade treatment is a favorite for high-value trees and severe infestations.
- Up to 2 years of residual control
- Controls many borers, bark beetles, caterpillars, and nematodes
The injectable formulation is delivered directly into the trunk, where it moves rapidly through the xylem to reach borer larvae feeding throughout the tree. Moreover, Emamectin Benzoate provides up to two years of control from a single treatment, making it extremely cost-effective for valuable specimens. Therefore, it offers exceptional long-term control with minimal nontarget impact.
Emamectin Benzoate is applied through specialized trunk injection systems that pressurize the product into the tree’s vascular system for rapid distribution. Furthermore, it is highly effective against emerald ash borer, Asian longhorned beetle, and many other destructive borers. Overall, this product delivers premium systemic control with outstanding longevity.
Pros:
- Up to two years control
- Direct vascular delivery
- Minimal environmental impact
- Highly effective on EAB
- No soil or spray drift
- Excellent for valuable trees
- Professional-grade results
Cons:
- Requires injection equipment
- Higher upfront cost
- Best applied by professionals
4. Acephate 97UP – Best Soluble Powder Systemic For Tree Borers
Acephate 97UP is the best soluble powder systemic for tree borers because it dissolves completely for soil drench or trunk injection and controls a wide range of borer species effectively. This organophosphate is a favorite for growers seeking proven, economical borer control.
- ACTIVE INGREDIENT (S): Acephate - 97%
The highly concentrated soluble powder mixes easily with water and is absorbed by roots or injected into trunks for systemic distribution throughout the tree. Moreover, Acephate controls both borers and many foliage-feeding pests, providing broad-spectrum protection. Therefore, it offers economical, effective control with flexible application options.
Acephate 97UP is easy to apply as a soil drench, trunk injection, or foliar spray, with its solubility making it suitable for several delivery methods. Furthermore, it is effective against roundheaded borers, flatheaded borers, and many other wood-boring insects. Overall, this product delivers reliable systemic control at an economical price.
Pros:
- Highly soluble powder
- Multiple application methods
- Broad-spectrum control
- Economical per treatment
- Effective on many borers
- Widely available
- Fast uptake by roots
Cons:
- Strong odour
- Toxic to pollinators
- Organophosphate restrictions
5. Azadirachtin (Neem) – Best Organic Systemic For Tree Borers
Azadirachtin is the best organic systemic for tree borers because it disrupts insect growth and feeding while being acceptable for organic production and low-impact IPM programs. This botanical extract is a favorite for gardeners seeking natural borer control.
- Protect your oasis with 3 garden products in 1 from Captain Jack’s; Bonide Captain Jack’s Ready-to-Use Neem Oil spray for plants is a multi-purpose fungicide, insecticide and miticide for your lawn & garden
- Clarified Hydrophobic Extract of Neem Oil protects your garden from common fungal diseases including rust, powdery mildew and more; apply to house plants, roses, trees, shrubs, fruits, nuts & vegetables for effective protection against garden diseases
The botanical formulation is absorbed by treated trees and disrupts the molting and feeding behaviour of borer larvae, preventing them from completing development. Moreover, Azadirachtin has minimal impact on beneficial insects and is approved for organic use in many regions. Therefore, it offers effective, environmentally responsible borer control.
Azadirachtin is easy to apply as a soil drench or trunk injection, with its systemic action delivering the active ingredient to feeding larvae. Furthermore, it works best as part of an integrated program with repeated applications for sustained control. Overall, this product delivers organic systemic control with excellent environmental credentials.
Pros:
- Approved for organic use
- Low impact on beneficials
- Disrupts larval development
- Soil drench or injection
- Environmentally responsible
- Safe around pollinators
- Good for IPM programs
Cons:
- Slower acting than synthetics
- Requires repeat applications
- Shorter residual activity
6. Thiamethoxam – Best Dual-Action Systemic For Tree Borers
Thiamethoxam is the best dual-action systemic for tree borers because it controls both adult beetles and larvae while providing rapid uptake and long residual activity. This neonicotinoid is a favorite for comprehensive borer management programs.
- Controls a number of insects including Aphid, Psyllids and more. See label for full list of insects.
- This insect control is designed for outdoor residential use for protection of trees and shrubs.
The systemic formulation is absorbed by roots or applied as a bark spray, moving through the tree to control larvae feeding inside while also killing adults that feed on treated foliage. Moreover, Thiamethoxam provides excellent residual control with rapid uptake after application. Therefore, it offers comprehensive control of both borer stages.
Thiamethoxam is easy to apply as a soil drench, bark spray, or trunk injection, with its versatility making it suitable for many treatment scenarios. Furthermore, it is effective against flatheaded borers, roundheaded borers, and many other wood-boring pests. Overall, this product delivers dual-action systemic control with outstanding versatility.
Pros:
- Controls adults and larvae
- Rapid root uptake
- Long residual activity
- Multiple application methods
- Broad-spectrum control
- Effective on many borers
- Reliable professional results
Cons:
- Harmful to pollinators
- Restricted in some regions
- Higher cost than imidacloprid
7. Bifenthrin – Best Bark Spray Systemic For Tree Borers
Bifenthrin is the best bark spray systemic for tree borers because it penetrates bark to reach larvae beneath the surface while also controlling adults before they lay eggs. This pyrethroid is a favorite for preventive borer programs on high-value trees.
- Dependable, long-lasting residual control.
- Non-irritating, no-odor formulation dries with no visible residue.
The concentrated formulation is applied as a bark spray and penetrates the outer bark to reach borer larvae feeding in the cambium layer beneath. Moreover, Bifenthrin provides rapid knockdown of adult borers, preventing new egg-laying on treated trees. Therefore, it offers both preventive and curative control with fast action.
Bifenthrin is easy to apply as a bark spray using standard spray equipment, with thorough coverage of trunks and branches essential for best results. Furthermore, it is effective against a wide range of bark beetles, borers, and wood-boring pests. Overall, this product delivers fast, effective borer control through bark application.
Pros:
- Penetrates bark to reach larvae
- Rapid knockdown of adults
- Preventive and curative
- Standard spray equipment
- Broad-spectrum control
- Widely available
- Fast results
Cons:
- Harmful to pollinators
- Shorter residual than systemics
- Requires thorough coverage
8. Chlorantraniliprole – Best Low-Toxicity Systemic For Tree Borers
Chlorantraniliprole is the best low-toxicity systemic for tree borers because it targets boring insects effectively while showing reduced toxicity to mammals, birds, and beneficial insects. This anthranilic diamide is a favorite for sensitive environments and IPM programs.
- PEST CONTROL POWER THAT LASTS ALL SEASON: Formulated with 18.4% chlorantraniliprole, Asenra SRX provides above- and below-ground pest control that lasts up to 120 days.
- TARGET GRUBS + SO MUCH MORE: Asenra SRX protects turf from problematic root-feeding white grub species—including Japanese beetle and black turfgrass Ataenius—as well as above-ground pests such as billbugs and caterpillars. See label for complete control list.
The systemic formulation is absorbed by roots and transported throughout the tree, where it disrupts the muscle function of feeding borer larvae. Moreover, Chlorantraniliprole has an excellent safety profile for nontarget organisms, making it suitable for use near homes and waterways. Therefore, it offers effective control with exceptional environmental safety.
Chlorantraniliprole is easy to apply as a soil drench or trunk injection, with its systemic action delivering long-lasting control of borer larvae. Furthermore, it is effective against a range of wood-boring pests including clearwing borers and beetles. Overall, this product delivers effective systemic control with outstanding safety credentials.
Pros:
- Low toxicity to nontargets
- Long-lasting systemic control
- Soil drench or injection
- Good safety profile
- Effective on many borers
- Suitable near homes
- Excellent for IPM
Cons:
- Higher cost than older products
- Slower knockdown
- Limited retail availability
9. Spinosad – Best Natural Systemic For Tree Borers
Spinosad is the best natural systemic for tree borers because it is derived from soil bacteria, controls boring insects effectively, and has a favourable safety profile for beneficial insects. This bioinsecticide is a favorite for organic and low-impact borer control programs.
- CONTROLS A VARIETY OF INSECTS - Designed to control Adelgids, Ants, Aphids, Armyworms, Beetles including ColoradoPotato Beetle, Borers, Caterpillars, Chinch Bugs, Codling Moth, Earwigs, Fruit Flies, Gypsy Moth, Lace Bugs, Leafhoppers and more. See label for full list.
- DESIGNED FOR OUTDOOR USE - Apply this product to Vegetables, Trees, Shrubs, Flowers, Fruits & Citrus to control listed insects and pests. Great for gardens, lawns, ornamentals and greenhouses.
The fermentation-derived formulation is absorbed by treated trees and controls borer larvae through ingestion and contact, disrupting their nervous systems. Moreover, Spinosad has minimal impact on many beneficial insects once dry and is approved for organic production. Therefore, it offers effective, natural control with good environmental credentials.
Spinosad is easy to apply as a trunk spray or soil drench, with its systemic and contact action providing control of larvae and adults. Furthermore, it works best as part of an integrated program with repeated applications for ongoing control. Overall, this product delivers natural systemic control with excellent safety credentials.
Pros:
- Natural fermentation product
- Approved for organic use
- Low impact on beneficials
- Trunk spray or drench
- Good safety profile
- Effective on many borers
- Environmentally responsible
Cons:
- Shorter residual activity
- Requires repeat applications
- Slower than synthetic systemics
10. Imidacloprid Granules – Best Granular Systemic For Tree Borers
Imidacloprid Granules are the best granular systemic for tree borers because they are easy to apply around the root zone and release slowly for season-long control. This convenient formulation is a favorite for homeowners treating ornamental trees.
- Protect plants from insect damage with Systemic Granules for Insect Control from Bonide; this product is a low odor ready-to-use solution for outdoor plants
- Protection lasts for up to 8 weeks after application; the granular treatment is absorbed into the roots and continues to move through the plant to provide protection against listed insects; this protection will not be washed away with water
The granular formulation is broadcast around the base of the tree and watered in, where it dissolves and is absorbed by roots for distribution throughout the tree. Moreover, the slow-release action provides consistent protection over several months with a single application. Therefore, it offers convenient, long-lasting control with minimal equipment.
Imidacloprid Granules are easy to apply by hand or with a spreader around the root zone, with watering essential to activate and move the product into the soil. Furthermore, they are effective against a wide range of borers and other pests when applied at the correct rate. Overall, this product delivers convenient systemic control with season-long effectiveness.
Pros:
- Easy granular application
- Slow-release season control
- No spray equipment needed
- Effective on many borers
- Widely available
- Convenient for homeowners
- Low cost per tree
Cons:
- Harmful to pollinators
- Requires watering in
- Slow to take effect
11. Dinotefuran Granules – Best Fast-Release Granular For Tree Borers
Dinotefuran Granules are the best fast-release granular for tree borers because they dissolve rapidly when watered in and are absorbed quickly by roots for faster control than other granules. This convenient formulation is a favorite for treating trees with active infestations.
- Target pests: See label for complete list. Control Insects: adelgids, aphids, flatheaded borer such as flatheaded appletree borer, sharpshooters, lacebugs, leaf beetles, leafhoppers, leafminers, mealybugs, psyllids, root weevils, roundheaded borers, scales (armored and soft), thrips (suppression), whiteflies, white grubs.
- Yield: Yield varies depending on crop and pest being treated. As an example: four to eight ounces per 100 gallons as a spray and 12 to 24 ounces per 100 gallons as a drench.
The highly soluble granules dissolve quickly after watering and are absorbed by roots within days, delivering rapid control of feeding borer larvae. Moreover, the fast-release action makes this product ideal when quick results are needed on actively infested trees. Therefore, it offers rapid granular control with convenient application.
Dinotefuran Granules are easy to apply by hand or with a spreader around the root zone, with watering essential to activate and move the product into the soil. Furthermore, they are effective against a wide range of borers including emerald ash borer. Overall, this product delivers fast systemic control with convenient granular application.
Pros:
- Fast dissolution and uptake
- Rapid control of active borers
- Easy granular application
- Effective against EAB
- No spray equipment needed
- Convenient for homeowners
- Reliable results
Cons:
- Harmful to pollinators
- Requires watering in
- Shorter residual than imidacloprid
12. Azadirachtin Concentrate – Best Organic Concentrate For Tree Borers
Azadirachtin Concentrate is the best organic concentrate for tree borers because it delivers concentrated neem-based control that mixes easily for soil drench or injection applications. This concentrated formulation is a favorite for organic growers treating multiple trees.
- OMRI listed EPA registered
- 3-Percent Commercial Strength/Works on Aphids, Armyworms, Beetles, Caterpillars, Mealy Bugs, Mites, Thrips, Whiteflies and many more
The concentrated botanical formulation mixes with water for economical application across many trees, delivering systemic control through root absorption or trunk injection. Moreover, Azadirachtin Concentrate is approved for organic use and has minimal impact on beneficial insects. Therefore, it offers economical, organic control for larger plantings.
Azadirachtin Concentrate is easy to mix and apply as a soil drench or trunk injection, with its systemic action delivering the active ingredient to feeding larvae. Furthermore, it works best as part of an integrated program with repeated applications for sustained control. Overall, this product delivers economical organic control with excellent environmental credentials.
Pros:
- Economical concentrate
- Approved for organic use
- Low impact on beneficials
- Soil drench or injection
- Good for multiple trees
- Environmentally responsible
- Safe around pollinators
Cons:
- Requires mixing and measuring
- Repeat applications needed
- Slower acting than synthetics
13. Acetamiprid – Best Foliar Systemic For Tree Borers
Acetamiprid is the best foliar systemic for tree borers because it is absorbed through leaves and transported throughout the tree to control larvae while also killing adults on contact. This neonicotinoid is a favorite for treating accessible foliage on smaller trees.
- KEY FEATURE: For systemic control of soil inhabiting pests in turfgrass and landscape plantings; featuring low use rates, application flexibility and great value
- LOW USE RATES for cost-efficient, highly effective control
The foliar formulation is absorbed through leaves and translocated through the tree, reaching borer larvae while also providing contact control of adults. Moreover, Acetamiprid has good residual activity and is effective at lower rates than many older products. Therefore, it offers dual-action control through convenient foliar application.
Acetamiprid is easy to apply as a foliar spray using standard equipment, with thorough coverage of leaves essential for best absorption and control. Furthermore, it is effective against a range of borers and other pests when applied at the correct timing. Overall, this product delivers effective systemic control through foliar application.
Pros:
- Absorbed through leaves
- Controls adults and larvae
- Good residual activity
- Standard spray equipment
- Effective at low rates
- Fast uptake
- Widely available
Cons:
- Harmful to pollinators
- Requires thorough coverage
- Not ideal for large trees
14. Cypermethrin – Best Contact Systemic For Tree Borers
Cypermethrin is the best contact systemic for tree borers because it delivers rapid knockdown of adult borers and penetrates bark to reach larvae while remaining economical for large plantings. This pyrethroid is a favorite for preventive borer programs.
- Cypermethrin 40%
- Cyper can be used in the following locatons; Commercial and Resdential Structures, Hospitals, Nursing Homes, Non-Food Handling Areas, and Outdoors.
The concentrated formulation is applied as a bark spray and penetrates the outer bark to reach borer larvae while providing rapid knockdown of adults. Moreover, Cypermethrin is economical and effective against a broad range of borers and bark beetles. Therefore, it offers fast, economical control with proven effectiveness.
Cypermethrin is easy to apply as a bark spray using standard spray equipment, with thorough coverage of trunks and branches essential for best results. Furthermore, it works well in rotation with systemic products to prevent resistance in borer populations. Overall, this product delivers fast contact control with excellent value.
Pros:
- Rapid knockdown
- Penetrates bark
- Economical for large areas
- Broad-spectrum control
- Standard spray equipment
- Widely available
- Good for rotation programs
Cons:
- Harmful to pollinators
- Short residual activity
- Requires repeated applications
15. Flupyradifurone – Best Modern Systemic For Tree Borers
Flupyradifurone is the best modern systemic for tree borers because it combines rapid uptake, long residual control, and a favourable profile for beneficial insects compared with older neonicotinoids. This butenolide is a favorite for forward-thinking IPM programs.
- 3-IN-1 PLANT CARE: 3-in-1 formula provides insect control, disease control, and mite control in one solution; Delivers protection for up to 14 days
- INSECT KILLER: Controls aphids, adult Japanese beetles, whiteflies, and other listed pests; Use on roses, flowers, trees, shrubs, and other listed ornamentals
The systemic formulation is absorbed rapidly by roots and foliage, moving throughout the tree to control borer larvae with long-lasting residual activity. Moreover, Flupyradifurone is effective at low rates and has reduced impact on many beneficial insects compared with older products. Therefore, it offers effective modern control with improved environmental profile.
Flupyradifurone is easy to apply as a soil drench, trunk injection, or foliar spray, with its versatility making it suitable for many treatment scenarios. Furthermore, it is effective against a range of sucking and boring pests when applied at the correct timing. Overall, this product delivers modern systemic control with excellent versatility.
Pros:
- Rapid uptake and action
- Long residual control
- Better beneficial profile
- Multiple application methods
- Effective at low rates
- Modern resistance management
- Reliable results
Cons:
- Higher cost than older products
- Limited retail availability
- Newer product with less field history
7 Essential Factors For Choosing Systemic Insecticide For Tree Borers
Borer species: Different systemic insecticides vary in effectiveness against specific borer species. Identify the borer attacking your tree, whether flatheaded, roundheaded, clearwing, or bark beetle, and choose a product proven effective against that pest.
Application method: Systemic insecticides can be applied as soil drenches, trunk injections, bark sprays, or foliar sprays. Choose a method suited to your tree size, equipment availability, and how quickly you need results.
Timing: Systemic treatments must be applied before borers begin feeding for best results, typically in early spring before bud break. Soil drenches need several weeks to be absorbed, while trunk injections work faster, so timing varies by method.
Tree size and value: Large, high-value trees often justify trunk injection or professional application, while smaller ornamental trees may be treated effectively with soil drenches or granules. Match the treatment cost to the value of the tree.
Pollinator safety: Many systemic insecticides are harmful to pollinators, especially when applied to flowering trees. Avoid treating trees in bloom and consider low-toxicity options like chlorantraniliprole near pollinator habitat.
Residual activity: Some products provide season-long control from one application, while others require repeat treatments. Choose based on how much time and effort you can commit to ongoing borer management.
Legal restrictions: Some systemic insecticides are restricted or banned in certain regions due to environmental concerns. Always check local regulations and product labels before purchasing or applying any systemic insecticide.
Frequently Asked Questions About Best Systemic Insecticide For Tree Borers
1. What is the best systemic insecticide for tree borers?
The best systemic insecticide for tree borers is Imidacloprid 2F, which provides season-long control through soil drench or trunk injection and is effective against a wide range of borer species. Dinotefuran and emamectin benzoate are also excellent choices for faster or longer-lasting control.
2. How do systemic insecticides kill tree borers?
Systemic insecticides are absorbed by roots, injected into trunks, or absorbed through leaves, then transported throughout the tree’s vascular system. When borer larvae feed on treated wood, they ingest the active ingredient and are killed without requiring direct contact with the insect.
3. When should I apply systemic insecticide for borers?
Apply systemic insecticide in early spring before borers become active, typically 4-8 weeks before expected adult emergence. Soil drenches need time to be absorbed by roots, while trunk injections work faster, so adjust timing based on your chosen application method.
4. Can I use systemic insecticide on fruit trees?
Some systemic insecticides are labeled for fruit trees, but many are not due to residue concerns in fruit. Check product labels carefully and follow pre-harvest intervals strictly. Imidacloprid and dinotefuran have some fruit tree uses, but always verify current label directions.
5. How long do systemic insecticides last in trees?
Residual activity varies by product and application method. Soil-applied imidacloprid provides season-long control, trunk-injected emamectin benzoate can protect trees for up to two years, while contact products like bifenthrin have shorter residuals of several weeks.
6. Are systemic insecticides safe for beneficial insects?
Many systemic insecticides, especially neonicotinoids, are harmful to pollinators and beneficial insects. Low-toxicity options like chlorantraniliprole and azadirachtin have reduced impacts, and avoiding applications during bloom protects pollinators effectively.
7. Can tree borers become resistant to systemic insecticides?
Yes, borers can develop resistance with repeated use of the same active ingredient. Rotate between different chemical classes, such as neonicotinoids and diamides, and combine chemical control with cultural practices to manage resistance effectively.
Conclusion
In conclusion, Imidacloprid 2F is the best overall systemic insecticide for tree borers, combining season-long control, flexible application methods, and proven effectiveness against a wide range of borer species. Its ability to protect trees for an entire season with a single application makes it an essential choice for both homeowners and professionals. The runner-up, Dinotefuran 20SG, offers faster uptake and action for actively infested trees, making it a close second when quick results are needed.
For high-value trees, trunk-injected emamectin benzoate provides unmatched longevity of up to two years. For organic programs, azadirachtin and spinosad offer effective natural control. For low-toxicity options, chlorantraniliprole provides excellent safety for sensitive environments. For economical large-scale treatment, cypermethrin and acephate deliver proven value.
Each product offers unique advantages, including rapid action, long residual, pollinator safety, and application flexibility. Therefore, the ideal choice depends on your borer species, tree type, application timing, and environmental considerations.
Start protecting your trees with these effective systemic insecticides. Healthy, borer-free trees that thrive for decades are achievable with the right product, correct timing, and proper application.