Argentine ant vs Red Imported Fire Ant
How does the Argentine ant compare to the Red Imported Fire Ant? They are both members of the Formicidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Linepithema humile
- Solenopsis invicta
- Classification
- Invertebrate
- Invertebrate
- Family
- Formicidae
- Formicidae
- Habitat
- Urban areas, forests, grasslands, agricultural lands
- Grasslands, open fields, urban areas
- Diet
- Omnivore
- Omnivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 1 to 2 years (workers), up to several years (queens)
- 1-6 years (queens), several weeks to months (workers)
- Weight
- 0.0004–0.001 g
- 0.5–5 mg
Argentine ant vs Red Imported Fire Ant: who would win?

Argentine ant
0.0004–0.001 g

Red Imported Fire Ant
0.5–5 mg
Red Imported Fire Ant wins high confidence
Red Imported Fire Ant is substantially heavier (0.5–5 mg vs 0.0004–0.001 g). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are invertebrates.
- Both belong to the Formicidae family.
- Both have a omnivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Urban areas, forests, grasslands, agricultural lands vs Grasslands, open fields, urban areas.
- Weight: 0.0004–0.001 g vs 0.5–5 mg.
Argentine ant vs Red Imported Fire Ant: FAQ
Who would win in a fight, a Argentine ant or a Red Imported Fire Ant?
Red Imported Fire Ant wins. Red Imported Fire Ant is substantially heavier (0.5–5 mg vs 0.0004–0.001 g). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Argentine ant and a Red Imported Fire Ant?
Argentine ant and Red Imported Fire Ant differ in several ways — habitat: urban areas, forests, grasslands, agricultural lands vs grasslands, open fields, urban areas. weight: 0.0004–0.001 g vs 0.5–5 mg.
Do Argentine ant and Red Imported Fire Ant live in the same habitat?
No — Argentine ant lives in urban areas, forests, grasslands, agricultural lands, while Red Imported Fire Ant is found in grasslands, open fields, urban areas.
What do Argentine ant and Red Imported Fire Ant eat?
Both Argentine ant and Red Imported Fire Ant have a omnivore diet.
Which is more endangered, the Argentine ant or the Red Imported Fire Ant?
Argentine ant is listed as Least Concern, while Red Imported Fire Ant is listed as Least Concern.
How big are Argentine ant and Red Imported Fire Ant?
Argentine ant weighs around 0.0004–0.001 g, while Red Imported Fire Ant weighs around 0.5–5 mg.

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Argentine ant

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Red Imported Fire Ant







