Pubic lice (Phthirus pubis), also known as "crabs," are an insect infestation that commonly affects the genital area of ...

You may see a louse or nit (lice egg) in the pubic area. But because these tiny organisms are so small, and there may only be a few of them, they're sometimes tricky to spot.

No more of your titled acquaintances boast, Nor of the gay groups you have seen; A crab louse is but a crab louse at last, Tho' stack to the cunt of a Queen.