Treatments · Energy-disrupting insecticides
Hydramethylnon
A slow-acting insecticide used in food-based baits, especially for ants and cockroaches.
Updated October 4, 2026 · Educational ingredient reference
Quick reference
- Chemical family: Energy-disrupting insecticides.
- Example forms: Granular bait, Gel bait, Bait station.
- Example target groups: Ants, Cockroaches, Crickets, Silverfish.
- Use context: Slow-acting ingested bait.
- Targets and forms vary by product. The exact label governs permitted pests, sites and methods.
What is it and how does it work?
Hydramethylnon disrupts cellular energy production and must be eaten to be effective. Its delayed action can allow social insects to carry bait back toward a colony. NPIC: Hydramethylnon general fact sheet explains the underlying ingredient or an example product. An active ingredient is only one part of the finished formulation.
What forms and pests are covered?
Example product forms include granular bait, gel bait, bait station. Example target groups include ants, cockroaches, crickets, silverfish. These are drawn from different labels and references, not a claim that every product treats every listed pest. Check the label for the exact species, life stage and use site.
How is it used in pest management?
Products are incorporated into baits and gels or supplied as bait granules. Fire-ant treatments and indoor roach stations are different labeled products.
Identify the pest, correct food or moisture problems, close entry points where appropriate, and monitor the result. See our integrated pest management guide. A recurring infestation calls for reassessment, not an automatic stronger dose.
What cautions matter?
An attractant can draw pets or other non-target animals as well as pests. Store and apply only as directed and protect bait from unauthorized access.
Prevent children and pets from contacting stored or applied products. Follow the exact label for protective equipment, ventilation, return intervals, storage and disposal. Do not transfer a pesticide into a drink or food container. Read the label safety guide before selecting a product.
What are its limits?
It is not a contact knockdown spray. A bait that insects do not eat cannot perform its intended role; inspect food competition, identification and bait condition rather than using more.
The same ingredient in a garden, structural, aquatic or pet product does not make those products interchangeable. This page does not verify current Texas registration, recommend a brand or provide dilution rates, placement quantities or a treatment prescription. Manufacturer sources describe example products, not every formulation.
Where should you check before using a product?
Use the label attached to the exact product you intend to use. Confirm its target pest, permitted site and application method. Check any professional-use restrictions and applicable Texas rules. NPIC explains how to read a pesticide label. Older fact sheets remain useful background, but the current product label takes priority.
For suspected human exposure, follow the label's first-aid instructions and contact Poison Control at 800-222-1222. Call 911 for severe symptoms. For suspected pet exposure, contact a veterinarian immediately.
This field guide is educational and does not offer treatment bookings.
Sources
Related pest dossiers
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