There's nothing pretty about a head louse. This female is an example of the nasty little things you'll see scurrying around when you find a live infestation. She'll be about 2.5 to 3.5 millimeters long, which is about the size of a grain of rice.
Basically, if you see little grains of rice running around your kid's scalp, you've just found an active infestation of head lice, and will have to treat it.
