Ruddy Barklouse vs Degeeri Booklouse

Side-by-side species comparison

Attribute Ruddy Barklouse Degeeri Booklouse
Scientific Name Elipsocus hyalinus Liposcelis decolor
Order Psocoptera Psocoptera
Family Elipsocidae Liposcelididae
Size 2-3 mm 0.7-1 mm
Habitat Forests Indoors
Diet Wood Feeders Fungus Feeders
Regions Europe Worldwide
Conservation Least Concern Least Concern

Ruddy Barklouse

A delicate bark louse with translucent wings found in European forests. It lives on lichens and algae growing on tree trunks.

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Did You Know?

Its nearly transparent wings make it almost invisible when resting on pale lichen.

Degeeri Booklouse

A cosmopolitan booklouse commonly found in libraries, herbaria, and grain stores. It can cause significant damage to stored collections.

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Did You Know?

It can build up huge populations undetected due to its tiny size.