Cave Bark Louse vs Dusty Barklouse

Side-by-side species comparison

Attribute Cave Bark Louse Dusty Barklouse
Scientific Name Prionoglaris stygia Lachesilla pedicularia
Order Psocoptera Psocoptera
Family Prionoglarididae Lachesillidae
Size 2-3 mm 1-1.5 mm
Habitat Caves Indoors
Diet Fungus Feeders Fungus Feeders
Regions Southern Europe Worldwide
Conservation Data Deficient Least Concern

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.

Dusty Barklouse

A tiny psocid commonly found in old books, herbaria, and grain stores. It thrives in dusty undisturbed environments.

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Did You Know?

It is a major pest in natural history museum collections worldwide.