Related Clues:

• Annoying insect
• Arborist's concern
• Fly, e.g.
• Annoying person
• Ladybird, for one
• Little brother, often
• Royal pain
• Irritant
• Unwanted visitor
• Bee, e.g.
• Ant, maybe
• Dennis the Menace, for one
• Creepy-crawly
• Hanger-on
• Six-footer?