Related Clues:

• Industrious tunnel-makers
• Short six-footers?
• Army __
• Tiny colony dwellers
• Hobby-farm bugs
• Sugar bowl fans
• Pants problems?
• Carpenter, army and fire
• Bugs on a hill
• They may be in columns
• Hill dwellers?
• Swarm around a hill
• Aardvark's entrée
• Word with red or army
• Sources of formic acid