Unfortunately I couldn't get a good photo as he was making a run for it.
This message was edited Jan 26, 2019 3:31 PM
It's a type of ant known as a trap-jaw ant; looks like an Odontomachus sp. See https://www.alexanderwild.com/Ants/Making-a-Living/The-Trap-Jaw-Ants/i-8ctX4qr for an example.
This message was edited Jan 26, 2019 2:51 PM
Wonderful thank you! I've heard of them. They close their jaws with phenomenal speed.