Related Clues:
- Pet parasites
- Bloodsucking insect
- Grown-up nit
- Cause of some head-scratching
- Pediculicide's target
- Evil intent
- Head residents?
- Wingless parasite
- Pet problem
- Cause of head-scratching, perhaps
- Nit layer
- Fumigation targets, sometimes
- Students may be searched for them in grade school
- Grade-schooler's woe
- Head parasites