Tawny Crazy Ant vs Japanese Carpenter Ant

Side-by-side species comparison

Attribute Tawny Crazy Ant Japanese Carpenter Ant
Scientific Name Nylanderia fulva Camponotus japonicus
Order Hymenoptera Hymenoptera
Family Formicidae Formicidae
Size 2-3 mm 7-13 mm
Habitat Beaches & Coastal Underground
Diet Omnivores Omnivores
Regions South America, Southern United States Japan, China, Korea
Conservation Not Evaluated Least Concern

Tawny Crazy Ant

A small reddish-brown ant that forms enormous supercolonies and is displacing fire ants in the southern United States. They are attracted to electrical equipment and often cause short circuits.

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Did You Know?

They coat themselves in formic acid as an antidote after being stung by fire ants, a unique detoxification behavior.

Japanese Carpenter Ant

A large black carpenter ant common throughout East Asia and a popular species in ant keeping. Colonies can grow very large with distinctive polymorphic worker castes.

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Did You Know?

This ant is one of the most commonly kept pet ant species in Japan and has become an icon in the Japanese ant-keeping hobby.