
Community identification
Head Louse (Nit)
Pediculus humanus capitis
- Order & Family
- Phthiraptera: Pediculidae
- Size
- Nits (eggs) are 0.8 mm long; adults are 2 to 3 mm
Natural Habitat
Human scalp and hair, specifically attached to hair shafts close to the scalp
Diet & Feeding
Obligate parasites that feed exclusively on human blood several times a day
Behavior Patterns
The image shows a 'nit' or egg cemented to a hair shaft. They cannot fly or jump and are spread via direct head-to-head contact.
Risks & Benefits
Cause intense itching and scalp irritation but do not transmit infectious diseases. High social stigma and nuisance.