Related Clues:

• They live in the hills
• Fire __
• Tiny colony laborers
• Hill residents
• Carpenters and harvesters, e.g.
• Aardvark's meals
• Sources of some allergies
• Pants invaders?
• Social insects
• Industrious fliers
• Partner of birds
• Kitchen nuisance
• Tunnel creators
• Tiny tunnelers
• Aphid herders