Web-spinning Barklouse vs Dorypteryx Booklouse

Side-by-side species comparison

Attribute Web-spinning Barklouse Dorypteryx Booklouse
Scientific Name Archipsocus nomas Dorypteryx domestica
Order Psocoptera Psocoptera
Family Archipsocidae Psoquillidae
Size 1.5-2.5 mm 1.5-2.0 mm
Habitat Forests Indoors
Diet Omnivores Fungus Feeders
Regions Southeastern United States, Central America Europe, North America
Conservation Least Concern Not Evaluated

Web-spinning Barklouse

A bark louse known for spinning communal silk webs over tree bark in tropical and subtropical regions. Large colonies can cover entire tree trunks.

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Did You Know?

Their communal silk webs can cover entire tree trunks like a ghostly shroud.

Dorypteryx Booklouse

A winged domestic psocid found in houses, especially in roof spaces and lofts. It is attracted to light and sometimes swarms indoors.

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Did You Know?

This booklouse frequently appears at windows and lights in old houses, often being mistaken for a tiny moth.