Odontomachus brunneus is the common trap-jaw ant along the gulf coast of the southern United States.
Elsanor, Alabama, USA
Odontomachus assiniensis. The odd, alien-shaped head of a trap-jaw ant serves to house the set of muscles and latches that operate the ant's mandibular trap.
St. Lucia, KZN, South Africa
Odontomachus chelifer is the largest trap-jaw ant species in South America.