Solenopsis geminata is a seed harvesting ant, and major workers have massive heads for powering the blunt seed-milling mandibles. Durban, South Africa
Supermajor and minor workers preying on a beetle grub. Rossville, Queensland, Australia
Carebara marauder ants have one of the largest size disparities between the largest and smallest worker ants in a colony. Here a supermajor uses her massive jaws to cut through tree bark while minor workers stand by. The ants have discovered beetle larvae- a favored prey item- underneath the bark. Rossville, Queensland, Australia