Ant enemies
A single ant is vulnerable
If alone, a large-sized ant can be snached as food by a swarm of small ants. The ant also has larger enemies. Bears can destroy an anthill of
Formica yessensis
and eat the ants climing up its forelegs.
An ant lion catching
Formica japonica
The ant lion sucks up the body fluid of an ant after dragging the ant down to the bottom of the predator's trap into which the ant has fallen.