Mark Moffett / Argentine Ant (Linepithema humile) group feed on soft nutritious eliasome at the tip of a fynbos shrub and discard the seeds without burying them, jeopardizing the fynbos community, South Africa

Mark Moffett / Argentine Ant (Linepithema humile) group feeding on dead fish on the river banks, Parana River, Argentina

Mark Moffett / Red Imported Fire Ant (Solenopsis invicta) attacking Argentine Ant (Linepithema humile), Parana River, Argentina

Mark Moffett / Argentine Ant (Linepithema humile) dead bodies piling up along the battle lines between two colonies, Escondido, California

Mark Moffett / Argentine Ant (Linepithema humile) grabbing the leg of a fire ant in a fight to control the dead grasshopper they are standing on, the fire ant is exuding venom from her stinger used to slash her atta...

Mark Moffett / Argentine Ant (Linepithema humile) group on barbed wire, Argentina

Mark Moffett / Argentine Ant (Linepithema humile) group eating a piranha on the banks of the Parana River, northern Argentina