Pubic Louse vs Katydid

Side-by-side species comparison

Attribute Pubic Louse Katydid
Scientific Name Pthirus pubis Pterophylla camellifolia
Order Phthiraptera Orthoptera
Family Pthiridae Tettigoniidae
Size 1.5-2 mm 45-65 mm
Habitat Underground Underground
Diet Blood Feeders Wood Feeders
Regions Europe, Asia, Africa, North America, South America, Oceania North America
Conservation Least Concern Least Concern

Pubic Louse

A broad, crab-shaped louse that infests coarse body hair, primarily in the pubic region. It is transmitted through intimate contact.

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Did You Know?

Pubic lice are more closely related to gorilla lice than to human head lice, suggesting an ancient host-switching event between primate species.

Katydid

Nocturnal insects with leaf-shaped wings providing excellent camouflage. Named for their rhythmic "katy-did, katy-didn't" calls. Have ears on their front legs.

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Did You Know?

Katydids have their ears on their front knees — each leg contains a tiny slit-like tympanum that detects sound waves, allowing them to hear predators and mates.