Related Clues:
- Head pests
- Bothersome bugs
- Nits, all grown up
- Worrisome subject of some school letters to parents
- Cause of much head-scratching
- Vermin that cause head-scratching
- Bugs that bring "ughs"
- Heady pests?
- Nasty infestation
- Minute parasites
- Wingless bloodsuckers
- Fully grown nits
- Parasites that disturb dogs
- Insects that cause head-scratching
- Heady vermin