Bug Identifier
Head Louse (Nit)
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
See this bug in the Encyclopedia

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.