Pale-winged Barklouse vs Tropical Book Louse

Side-by-side species comparison

Attribute Pale-winged Barklouse Tropical Book Louse
Scientific Name Peripsocus phaeopterus Liposcelis entomophila
Order Psocoptera Psocoptera
Family Peripsocidae Liposcelididae
Size 2-3 mm 0.7-1.2 mm
Habitat Forests Indoors
Diet Wood Feeders Fungus Feeders
Regions Europe Worldwide
Conservation Least Concern Least Concern

Pale-winged Barklouse

A common European bark louse with smoky brown wings. It lives on tree trunks where it scrapes algae and lichen from the bark.

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Did You Know?

Females guard their egg clusters on tree bark until they hatch.

Tropical Book Louse

A cosmopolitan booklouse frequently found in insect collections and herbaria. It feeds on dead insects and dried plant specimens.

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Did You Know?

Its species name 'entomophila' means 'insect-loving,' reflecting its habit of eating pinned insect specimens.