Definition

1. Noun:
   • A species of louse: Pediculus humanus is the scientific name for a species of parasitic insect that infests humans. It is commonly divided into two subspecies: the head louse (Pediculus humanus capitis) and the body louse (Pediculus humanus humanus).

Usage

• The term is used primarily in formal, scientific, and medical contexts to refer specifically to this species of human louse.
• It is often followed by a subspecies designation to specify the type (e.g., ).

Examples

• Noun:
  • The study focused on the genetic differences between subspecies of Pediculus humanus.
  • Infestation with Pediculus humanus is a common public health issue in crowded conditions.

Advanced Usage

• In taxonomic classification: The name is used to place the organism within the biological classification system (Genus: , Species: ).
  • Pediculus humanus belongs to the order Phthiraptera.*

Variants and Related Words

• Pediculus humanus capitis (n): The subspecies known as the head louse.
• Pediculus humanus humanus (n): The subspecies known as the body louse or clothing louse.
• Pediculus (n): The genus that includes lice parasitic on humans and other primates.

Synonyms

• Human louse: The common name for .

Related Phrases

• Louse infestation: The condition caused by .
  • The clinic treated several cases of louse infestation.

Noun

1. head or body louse