A nit.
the single insect is called a 'Louse' a Louse
A young louse is called a nymph
Lucy
The egg of a louse is usually called louse eggs and attaches on the human hair.
Lice
Head louse in singular for head lice. Lice are tiny wingless parasites that feed off of your scalp.
The egg of a louse is called a nit. Nits are generally attached to hair strands close to the scalp and can be difficult to remove.
nymph
One of them is called a Louse , more than one is called Lice like you would saymouse and mice
Louse is already singular. The plural is lice.
"Can it" means "shut up!" "You nit" is an insult -- a nit is a baby louse.
The plural form for the singular noun louse is lice. The plural possessive form is lice's.example: The lice's eggs are called nits.