Cave Bark Louse vs Rolled-wing Beetle

Side-by-side species comparison

Attribute Cave Bark Louse Rolled-wing Beetle
Scientific Name Prionoglaris stygia Derodontus maculatus
Order Psocoptera Coleoptera
Family Prionoglarididae Derodontidae
Size 2-3 mm 2-4 mm
Habitat Caves Forests
Diet Fungus Feeders Fungus Feeders
Regions Southern Europe North America, Europe
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.

Rolled-wing Beetle

A tiny beetle that feeds on slime molds on decaying logs in cool forests.

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Did You Know?

It curls its elytra edges downward, giving the family its common name.