Related Clues:

• Spoiled kid
• Annoying kid
• Small flier
• Impudent one
• Rascally child
• Tiny annoyance
• Insect known to 63-Across
• Bothersome insect
• Part of a summer swarm
• Red Chief, for one
• Bart Simpson, e.g.
• Babysitter's challenge
• Someone else's kid compared to yours?
• Unmanageable tyke
• Pesky swarmer