Bug Identifier
Pubic Louse
Community identification

Pubic Louse

Pthirus pubis

Order & Family
Order: Psocodea, Family: Pthiridae
Size
1.1 mm to 1.8 mm (about the size of a pinhead)
See this bug in the Encyclopedia

Natural Habitat

Exclusively on the human body, primarily in the pubic hair or other coarse hair regions like eyelashes or armpits.

Diet & Feeding

Obligate blood-feeders; they consume human blood several times a day to survive.

Behavior Patterns

They are sedentary parasites that grasp hair shafts with specialized claws. They cannot jump or fly and are usually transmitted through close physical contact.

Risks & Benefits

Causes intense itching (pruritus) and reddish bumps. They are not known to transmit diseases but can lead to secondary skin infections from scratching.