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
Yes, both male and female lice are known as lice. The term "louse" refers to both genders of the parasitic insects.
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 possessive form of the word "louse" is "lice's."