Bence Mate / Leaf cutter ant (Atta sp) female worker carrying leaf to nest, with a smaller 'minor' ant riding. The minor's job is to protect her sister from parasitic flies. Costa Rica, December. Highly Commended,...

Emanuele Biggi / Weaver ants (Oecophylla smaragdina) two minor workers with major worker, minor workers removing a dead major worker out of the nest. Sandakan, Sabah, Malaysian Borneo.

Mark Moffett / Marauder Ant (Pheidologeton diversus) major worker ant smashes the mid-section of a long centipede caught during a raid, which the smallest minor worker ants have pinned down, Celebes Island, Indonesi...

Chien Lee / Marauder Ant (Pheidologeton affinis) team attacking a beetle grub with minor workers assisted by their larger sisters who cut the grub into smaller pieces, Lambir Hills National Park, Malaysia

Chien Lee / Marauder Ant (Pheidologeton affinis) team attacking a beetle grub with minor workers assisted by their larger sisters who cut the grub into smaller pieces, Lambir Hills National Park, Malaysia

Chien Lee / Marauder Ant (Pheidologeton affinis) team attacking a beetle grub with minor workers assisted by their larger sisters who cut the grub into smaller pieces, Lambir Hills National Park, Malaysia

Mark Moffett / Marauder Ant (Pheidologeton diversus) minor workers carrying snail, Singapore

Mark Moffett / Pharaoh Ant (Monomorium pharaonis) queen and minor workers, a global invasive species, Florida

Mark Moffett / Bulldog Ant (Myrmecia gulosa) larva reared up begging for food from minor worker, eastern Australia

Mark Moffett / Bulldog Ant (Myrmecia gulosa), minor worker tending small larvae, eastern Australia

Mark Moffett / Bulldog Ant (Myrmecia gulosa), minor worker beneath major worker, eastern Australia

Mark Moffett / Marauder Ant (Pheidologeton diversus), minor workers of two colonies fighting, Borneo