Related Clues:

• See 22
• Crawlers
• Layers of nits
• Dog pests
• "My Dog Has ___"
• Mature nits
• They might make you scratch your head
• Bloodsucking insects
• Beagle's bane
• Itchy dog's woe
• Soundly beats it as a source of irritation
• Plural of louse
• Hat-borne parasites
• Bugs with bounce
• Grade-school infestation