DiPel Insecticides Catalog
Harness the power of nature with DiPel, the world’s leading biological solution for precision caterpillar control across more than 200 different crops. This time-tested insecticide utilizes Bacillus thuringiensis subsp. kurstaki (Btk) to stop larvae from feeding within minutes while remaining remarkably gentle on the environment. Growers worldwide trust DiPel for its OMRI-listed formulations, which offer the ultimate flexibility of a zero-day pre-harvest interval and total safety for beneficial pollinators like bees. Whether you choose the dry flowable DF or the liquid ES concentrate, you are integrating nearly 50 years of proven science into your resistance management strategy. DiPel empowers both organic and conventional farmers to protect everything from vast forests to delicate vegetables without the worry of chemical residues or long re-entry delays.
Top DiPel Insecticides
DiPel DF Biological Insecticide
This flagship dry flowable formulation is the global standard for organic caterpillar control, providing a high-potency solution that is OMRI-listed and safe for use on over 200 different crops.
DiPel ES Biological Insecticide
Designed as a high-performance liquid emulsifiable suspension, this product offers superior leaf adhesion and “staying power,” making it the go-to choice for row crops and orchards requiring long-lasting protection.
DiPel PRO DF Biological Insecticide
Tailored specifically for the professional landscape and nursery industry, this formulation provides fast-acting and dust-free control of destructive pests like bagworms and tent caterpillars without harming beneficial pollinators.
Safeguard your yields with the gold standard of biological pest control, designed to eliminate caterpillars while keeping your crops and environment pristine.
Product Categories
Experience the precision of Bacillus thuringiensis subsp. kurstaki (Btk) through a versatile lineup of formulations tailored for every growing environment.
DiPel DF
This dust-free dry flowable formulation is OMRI-listed for organic production and provides rapid, broad-spectrum control over pests like loopers and armyworms across more than 200 different crop types.
DiPel Liquid
The liquid suspension offers a convenient, eco-friendly solution for large-scale applications, ensuring thorough coverage and zero residue concerns for fruits and vegetables.
DiPel PRO DF
Specially engineered for the professional turf and ornamental industry, this product delivers fast-acting results to keep landscapes and greenhouses free from damaging worm infestations.
DiPel 10G
This granular version is optimized for targeted delivery in specific crops like corn and tobacco, ensuring the active ingredient reaches the areas where pests feed most.
Customer Experiences
Benjamin Crawford As a commercial vegetable grower, I’ve struggled with diamondback moth resistance for years, but DiPel DF has completely changed my IPM strategy. I applied it to my brassicas during a heavy looper outbreak, and I was amazed to see feeding stop almost instantly, with full control visible within two days. The fact that it’s OMRI-listed and has a 4-hour REI means I can keep my crew working and harvest on schedule without worrying about chemical residues or safety risks to my honeybee colonies.
Elena Rodriguez Managing a high-end ornamental nursery requires products that are both effective and invisible, and DiPel PRO DF fits that bill perfectly. I recently used it to treat a sudden infestation of bagworms on our evergreens; the dry flowable mixed easily in the tank without any clogging issues, and the results were fast and reliable. My customers expect pristine foliage, and this product allows me to maintain that standard while sticking to biological, sustainable practices that my clients appreciate.
Marcus Thorne We’ve relied on DiPel 10G for our tobacco and corn rotations for several seasons now, and the granular application is a game-changer for getting the Btk exactly where the larvae are hiding. During a particularly humid summer with high hornworm pressure, the 10G formulation provided the residual control we needed to prevent significant leaf damage. It’s a relief to use a product from Valent BioSciences that has decades of proven performance, giving us the confidence that our harvest will be both high-quality and pesticide-free.
DiPel FAQ
How exactly does DiPel kill caterpillars?
DiPel works through ingestion; once a caterpillar eats the treated foliage, the Bacillus thuringiensis (Btk) crystals dissolve in its highly alkaline gut and release toxins. This immediately paralyzes the digestive tract, causing the larvae to stop feeding within minutes, though full mortality usually occurs within 24 to 72 hours as the insect starves.
Is DiPel safe to use around honeybees and other beneficial insects?
Yes, DiPel is highly selective and only affects lepidopteran larvae (caterpillars) that consume the treated plant material. Because the toxin requires a specific gut pH and unique receptors found only in caterpillars, it is non-toxic to bees, ladybugs, predatory wasps, and other beneficial insects that are essential for a healthy garden or farm ecosystem.
Can I harvest my vegetables on the same day that I spray?
One of the greatest advantages of DiPel is its 0-day Pre-Harvest Interval (PHI). Because it is a biological product that leaves no harmful chemical residues, you can safely apply the treatment and harvest your produce on the same day, provided the spray has dried.
How long does an application remain effective on the leaves?
Under normal conditions, DiPel remains active on the foliage for about 3 to 7 days. Factors like intense UV sunlight and heavy rain can break down the bacteria more quickly, so it is often recommended to reapply every 7 to 10 days during periods of active pest pressure or after significant rainfall.
What is the best time of day to apply DiPel?
It is best to apply DiPel in the late afternoon or early evening. This timing minimizes exposure to direct UV sunlight, which can degrade the active Btk spores, and ensures the product is fresh on the leaves when many caterpillar species begin their most active feeding period at night.
Can I mix DiPel with other fertilizers or pesticides?
DiPel is compatible with most conventional insecticides and fungicides in a tank mix, which makes it an excellent tool for Integrated Pest Management (IPM). However, you should avoid mixing it with highly alkaline products (like lime sulfur) or water with a pH above 8.5, as high alkalinity can prematurely trigger the toxins and reduce the product’s effectiveness.
What is the shelf life of the product and how should it be stored?
When stored in its original container in a cool, dry place away from direct sunlight, DiPel typically has a shelf life of at least two to three years. Avoid exposing the product to extreme heat, as high temperatures can damage the live bacterial spores and reduce the potency of the formulation.