"Black lice" isn't a recognized or standard term in the context of lice infestations. However, the term likely refers to lice eggs (nits) that appear dark in color. These dark-colored nits are generally dead, or close to hatching.
Here's a breakdown based on the reference provided:
- Color indication: Lice eggs (nits) that are brown or black often signify they are either dead in their casings before hatching, or they are close to hatching.
- Location: Dead eggs may be found further away from the scalp.
- Context: The reference highlights the common concern about head lice outbreaks, especially in places like schools and playgrounds.
Therefore, when someone says "black lice," they are most likely referring to dark-colored lice eggs, which can be an indicator of either dead nits or those close to hatching.
