Human Head Louse vs Chicken Body Louse

Side-by-side species comparison

Attribute Human Head Louse Chicken Body Louse
Scientific Name Pediculus humanus capitis Menacanthus stramineus
Order Phthiraptera Phthiraptera
Family Pediculidae Menoponidae
Size 2-3 mm 3-3.5 mm
Habitat Underground Farmland
Diet Blood Feeders Blood Feeders
Regions Europe, Asia, Africa, North America, South America, Oceania Europe, Asia, Africa, North America, South America, Oceania
Conservation Least Concern Least Concern

Human Head Louse

An obligate ectoparasite of the human scalp that feeds on blood several times per day. It spreads through direct head-to-head contact.

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Did You Know?

Head lice have co-evolved with humans for millions of years, and DNA analysis of lice has helped trace ancient human migration patterns.

Chicken Body Louse

The most damaging louse of domestic poultry, feeding on feathers, skin, and blood. Heavy infestations cause feather loss, reduced egg production, and anemia.

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Did You Know?

This louse is unusual among bird lice because it actively feeds on blood by gnawing through pin feathers, not just on feather material.