Bug Identifier
Pubic louse
Community identification

Pubic louse

Pthirus pubis

Order & Family
Order: Psocodea; Family: Pthiridae
Size
1.1 mm to 1.8 mm
See this bug in the Encyclopedia

Natural Habitat

Coarse hair on the human body, most commonly in the pubic area; occasionally found in facial hair, eyebrows, or armpits.

Diet & Feeding

Obligate ectoparasites that feed exclusively on human blood.

Behavior Patterns

They are slow-moving and spend their entire lives clinging to hair shafts. They cannot jump or fly and are primarily transmitted through close physical or sexual contact.

Risks & Benefits

Causes intense itching (pediculosis pubis) due to an allergic reaction to their saliva. They do not transmit diseases but can indicate exposure to other sexually transmitted infections.