For 10 points, name these insects which form underground hives occupied by soldiers, workers, and the queen.
One species of these creatures, Mycocepurus smithii (MY-coh-seh-"PURE"-us "SMITH"-"e"), is cultivated by the Attini and is entirely female. The presence of a metapleural (MET-uh-PLOOR-uhl) gland, which secretes phenylacetic acid (FEN-il-uh-SEE-tic), differentiates most species of these creatures from other members of order Hymenoptera (hi-men-OP-ter-uh). These organisms of family Formicidae (for-MISS-uh-dee) often herd aphids for food and include "driver," "carpenter," and "army" varieties. For 10 points, name these insects which form underground hives occupied by soldiers, workers, and the queen.
One species of these creatures, Mycocepurus smithii (MY-coh-seh-"PURE"-us "SMITH"-"e"), is cultivated by the Attini and is entirely female.
{ants} [or Formicidae until it is read]