Related Clues:

• Insects on a 17-year cycle
• 17-year insects
• Summertime noisemakers
• Agents employing scoundrel needing small bugs
• Large, noisy insects
• Insects that may emerge after 17 years
• Noisy summer bugs
• 17-year locusts, e.g
• Scoundrel blocking intelligence agency's bugs
• Ants : colony :: ___ : plague