Related Clues:

• Termite, e.g.
• Destructive insect
• Vexatious sort
• Irksome sort
• Biting insect
• Part of a backyard swarm
• Swarming pest
• Tang anagram
• Insect
• Troublesome insect
• Obnoxious person
• Flying irritant
• 10 Across or 49 Across
• Flea, e.g.
• Sitter's challenge