Death's Head Cockroach vs Cave Bark Louse

Side-by-side species comparison

Attribute Death's Head Cockroach Cave Bark Louse
Scientific Name Blaberus craniifer Prionoglaris stygia
Order Blattodea Psocoptera
Family Blaberidae Prionoglarididae
Size 50-75mm 2-3 mm
Habitat Caves Caves
Diet Fruit Feeders Fungus Feeders
Regions Central America, South America Southern Europe
Conservation Least Concern Data Deficient

Death's Head Cockroach

A large cockroach with a distinctive skull-like marking on its pronotum. It is a popular feeder insect and pet species. When disturbed it can produce a loud hissing sound by expelling air.

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Did You Know?

The dark marking on its thorax closely resembles a human skull or vampire face, inspiring its morbid common name.

Cave Bark Louse

A primitive cave-dwelling bark louse found in European caves. It retains many ancestral features making it important for understanding psocid evolution.

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Did You Know?

It is considered one of the most primitive living members of the order Psocoptera.