Related Clues:

• Fire, army and others
• Some are carpenters
• Garden soldiers
• Six-footers on a hill
• Small workers
• Picnic guests?
• Emmets, e.g.
• Little scurriers
• Aphid farmers
• Thackeray's 'The Book of ___'
• Colonial group
• Formicary creatures
• They head for the hills
• Dance if they're in your pants
• Picnic hamperers