Related Clues:

• Queen's colony?
• Myrmecologist's study
• Tiny soldiers
• Amazon and red
• Some marching groups
• Flies, ants and such
• Soldiers or carpenters, take your pick
• Household invaders
• Colony members
• Some soldiers
• Army members
• Gnats, ants, etc.
• Aardvark's prey
• They work on a hill
• Kitchen workers?