Silvestri's Jumping Bristletail vs Human Head Louse

Side-by-side species comparison

Attribute Silvestri's Jumping Bristletail Human Head Louse
Scientific Name Pedetontus silvestrii Pediculus humanus capitis
Order Archaeognatha Phthiraptera
Family Machilidae Pediculidae
Size 8-12 mm 2-3 mm
Habitat Underground Underground
Diet Detritivores Blood Feeders
Regions Japan, East Asia Europe, Asia, Africa, North America, South America, Oceania
Conservation Least Concern Least Concern

Silvestri's Jumping Bristletail

A well-studied bristletail from Japan and eastern Asia. Recent molecular studies have revealed cryptic species within this lineage.

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Did You Know?

Molecular studies have revealed it may actually be a complex of several cryptic species.

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.