Insects that feed beneath leaves, inside plant tissue, or on newly developing growth can be difficult to reach with conventional contact sprays. A systemic insecticide offers another approach by allowing the plant to absorb the active ingredient and transport it into tissues where damaging pests feed.
Understanding how these insecticides work can help growers select an appropriate treatment, improve application timing, and protect valuable crops more effectively.
How Does a Systemic Insecticide Work?
A systemic insecticide is absorbed through a plant’s roots, leaves, stems, or seeds. After absorption, the active ingredient moves through some or all of the plant’s vascular system. Insects are controlled when they feed on treated plant tissue or sap.
This internal movement distinguishes systemic products from contact insecticides, which generally must directly reach the pest. Depending on the product and application method, systemic activity may protect existing foliage, developing leaves, or other labeled plant tissues.
What Pests Do Systemic Insecticides Control?
Systemic insecticides are commonly used against sucking and chewing pests such as aphids, whiteflies, leafhoppers, thrips, mealybugs, beetles, leafminers, and certain caterpillars. However, the pests, crops, application methods, and treatment intervals permitted vary by product.
Always confirm that both the crop and target pest appear on the product label before application.
Systemic Insecticides for Crop and Ornamental Protection
Acephate 97UP Insecticide in the one-pound package provides a convenient quantity for smaller treatment programs, while the 10-pound Acephate 97UP package suits larger acreage. Its water-soluble acephate formulation is absorbed through roots and foliage for systemic control of labeled feeding insects on crops, ornamentals, turf, and certain non-crop areas.
For soil-applied protection, Acronyx 4F Insecticide contains imidacloprid and moves from plant roots into developing tissues. It is labeled for numerous crops and pests, including aphids, leafminers, thrips, and whiteflies. Admire Pro Insecticide is another imidacloprid option with labeled foliar, soil, chemigation, and seed-treatment applications.
Actara Insecticide contains thiamethoxam and may be applied by labeled foliar, drench, or drip-irrigation methods. It controls a broad range of sucking, soil-dwelling, and leaf-feeding insects.
ArVida 30SG Insecticide combines contact, ingestion, systemic, and translaminar activity. Its acetamiprid formulation targets labeled sucking and chewing insects across several fruit, nut, and vegetable crops.
For broader-spectrum vegetable protection, Durivo Insecticide combines thiamethoxam with chlorantraniliprole to control labeled sucking, chewing, and lepidopteran pests.
Build a More Effective Insect Management Program
Systemic insecticides can provide dependable protection against pests that are difficult to reach with contact-only treatments. Product selection should be based on the crop, pest species, application method, resistance-management plan, and required preharvest or reentry intervals.
Before mixing or applying any insecticide, read the current label completely and follow all rates, restrictions, personal protective equipment requirements, and environmental precautions.