Tropical Fire Ant vs Thief Ant

Side-by-side species comparison

Attribute Tropical Fire Ant Thief Ant
Scientific Name Solenopsis geminata Solenopsis molesta
Order Hymenoptera Hymenoptera
Family Formicidae Formicidae
Size 2-6 mm 1-2 mm
Habitat Grasslands Woodlands
Diet Seed Feeders Omnivores
Regions Pantropical North America
Conservation Least Concern Not Evaluated

Tropical Fire Ant

A pantropical fire ant with large-headed major workers specialized for seed milling. It is one of the oldest known invasive ant species, spread globally through colonial trade routes.

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Did You Know?

It was likely transported around the world in soil ballast of Spanish galleons during the 16th century.

Thief Ant

One of the smallest ant species in North America, nesting near larger ant colonies to steal food and brood. Their tiny size allows them to enter other nests through passages too small for defenders.

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Did You Know?

They are so small they can live inside the walls of other ant nests for extended periods without being detected.