The distinctive soil mounds of the fire ant Solenopsis invicta help ants maintain humidity and temperature levels ideal for brood development. Austin, Texas, USA
A cut-away of a fire ant (Solenopsis invicta) mound showing the intricate system of galleries within the nest. Austin, Texas, USA
A series of fire ant (Solenopsis invicta) nests along a curb. Austin, Texas, USA
