Related Clues:

• Grown-up nits
• Dance if they're in your pants
• Picnic hamperers
• Soil aerators
• Busy builders
• Nits, eventually
• Echidna's snacks
• They may be in one's pants
• Biting pests
• Silent army
• Aardvark's lunch
• Small hill builders
• Black flies, e.g.
• They live in a hill
• Aardvark's entree