🧪 Active Ingredient Profile

Abamectin — Fire Ant Baits, Mite Control & Turf Applications

Avermectin (Macrocyclic Lactone) · CAS 71751-41-2

Abamectin is derived from the soil bacterium Streptomyces avermitilis. Despite its natural origin, it's highly effective at very low concentrations — the active ingredient in fire ant bait, Avid miticide, and some fire ant and mite control products.

Mode of Action Activates glutamate-gated chloride channels in invertebrate nerve and muscle cells — causes paralysis and death; different binding site from pyrethroids
⚖️ Educational use only. Always read and follow the full product label — the label is the law under FIFRA. Full disclaimer → | ⚗️ Mixing Calculator →

📋 Key Facts

Class
Avermectin / Macrocyclic Lactone
Signal Word
Warning
Origin
Fermentation product of Streptomyces avermitilis
Key Uses
Fire ants, mites, leafminers, turf pests
Residual
Short outdoor residual (UV/soil degradation); longer in soil
Bee Toxicity
Moderate — low when dry
Key Products
Avid (mites), Varsity (fire ants), Clinch (fire ants)

🎯 Primary Uses

Abamectin is used for: fire ant mound treatment and broadcast bait (Varsity), spider mite and other mite control (Avid miticide — widely used in agriculture and interiorscapes), leafminer control in ornamentals, and some turf pest applications. At very low concentrations, it's extremely effective against mites.

🛡️ Safety Summary

Moderately toxic — more so than pyrethroids. Wear PPE during handling and application. Allow treated areas to dry before re-entry. Toxic to fish and aquatic invertebrates — avoid near water. Not for indoor broadcast application. At label application rates, residue on ornamentals is very low.

Example
0.5 oz
per gallon
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🔬 Resistance Status

Limited resistance documented in spider mites after heavy agricultural use. Resistance can develop with exclusive use — rotate with bifenazate or spiromesifen for mite programs. Fire ant populations show no significant resistance.

🏷️ Common Products

Avid 0.15EC (mites)Varsity Fire Ant BaitClinch Fire Ant BaitGreen Light Fire Ant Killer

🐛 Pests This Treats — Learn More

Click any pest to view its full identification guide, biology, and treatment options.

🐛 Ants → 🐛 Fire Ant → 🐛 Leafminers → 🐛 Mites → 🐛 Scales → 🐛 Spiders → 🐛 Ticks →

🌿 Environmental & Ecological Impact

🐝 Bees / PollinatorsHIGH
🐟 Fish / Aquatic LifeVERY HIGH
🐦 BirdsLOW
🐕 Mammals / PetsLOW
🦐 Aquatic InvertebratesVERY HIGH
💡 Highly toxic to fish and aquatic invertebrates. Toxic to bees. Breaks down rapidly in soil and sunlight.

❓ Frequently Asked Questions

Q: Is abamectin safe for pets?
Follow the product label. Keep pets out of treated areas until completely dried (2–4 hours for sprays). Once dry, treated surfaces pose minimal risk to dogs and cats.
Q: Can I use abamectin indoors?
Check the specific product label — formulations vary. Baits and dusts often have indoor labeling; concentrates and granulars are typically outdoor.
Q: How long does abamectin last after application?
Residual varies by formulation, surface type, weather, and UV exposure. Indoor applications last longer than outdoor. Check the product label for re-application intervals.
Q: What should I do if exposed?
Remove contaminated clothing, wash skin with soap and water. For eye contact, rinse 15–20 minutes. For ingestion or severe symptoms, call Poison Control (1-800-222-1222). Have the product label available.

📋 Safety Data Sheet (SDS)

📋

Abamectin — Safety Data Sheet

View the official SDS document for this product directly on the CDMS label database.

Abamectin Safety Data Sheet page 1
📄 Abamectin — Safety Data Sheet · View the complete SDS document above or download below
📚 Sources: EPA Pesticide Labels · NPIC Pesticide Info
Published: Jan 1, 2025 · Updated: Apr 7, 2026
🔮
Reviewed by Derek GiordanoContent reviewed by a licensed pest management professional and cross-referenced against EPA, university extension, and manufacturer technical data. Last reviewed: April 2026.