Dusty Barklouse vs Cave Bark Louse

Side-by-side species comparison

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

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.

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.