Pictures include head lice at multiple stages of the life
An adult male, female louse and nit.
Before feeding, lice are clear in color.
The nit, or egg, attached to hair shaft can be difficult to
An empty nit shell can stay attached to hair shaft.
Double nit hatching.
Adult male louse.
Stages of a louse: nit, nymph, and adult.
As you can see, when placed next to a ruler, lice are a fraction
of a centimeter in size.