Related Clues:

• Canine woe
• Head case?
• Small insects
• Nit layers
• They lay nits
• Tiny troublemakers
• Infection causes
• "___ Capades" ("South Park" episode)
• They cause head scratching
• Little suckers
• Some creepy-crawlies
• Outbreak creatures
• Small parasites
• Early West Coast punk band, with 'the'
• External parasites