Related Clues:

• Crop threat
• Little brother, to an older sibling, say
• Pantry ant, e.g
• Constant nuisance
• Recurring pain?
• Slug, e.g
• Insecticide victim
• Hole-making bug or tool
• Mosquito or gnat
• Irking insect
• Auger or destructive beetle
• Mole, to a suburbanite
• Annoying person or bug
• Irritating one
• Steady annoyance