Related Clues:
- Ruin, with ''up''
- It might make you a nitpicker
- Contemptible sort
- See 24 Down
- Bloodsucking insect
- Grown-up nit
- Mess (up)
- Wingless parasite
- Nit layer
- Blood-sucking insect
- Common parasite on animals
- Bloodsucking parasitic insect
- A pestiferous half-century of this in Yorkshire (5)
- Behold, employment for a miserable sucker!
- Wingless, bloodsucking insect