Odontomachus clarus

Closeup of Odontomachus clarus worker with mandibles cocked. You can see the 'trigger hairs' extending forward from the mandibles. When something touches these hairs, the ant snaps her mandibles shut like a bear trap.
Closeup of Odontomachus clarus worker with mandibles cocked. You can see the 'trigger hairs' extending forward from the mandibles. When something touches these hairs, the ant snaps her mandibles shut like a bear trap.