Related Clues:

• Vermin
• Good-for-nothing
• Cause of an itch
• Loathsome one
• Typhus carrier
• Pet peeve?
• Pet's pest
• Little biter
• Unsavory character
• Type of bag or circus
• Pet peeve
• Fido's annoyance
• Itsy-bitsy biter
• Target of some collars
• ___ collar