Web-spinning Barklouse vs Long-winged Barklouse

Side-by-side species comparison

Attribute Web-spinning Barklouse Long-winged Barklouse
Scientific Name Archipsocus nomas Ectopsocus briggsi
Order Psocoptera Psocoptera
Family Archipsocidae Ectopsocidae
Size 1.5-2.5 mm 2-3 mm
Habitat Forests Woodlands
Diet Omnivores Herbivores
Regions Southeastern United States, Central America Europe, North America, Australasia
Conservation Least Concern Least Concern

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.

Long-winged Barklouse

A widespread bark louse found on tree trunks and dead leaves across Europe and introduced to other continents. It has long narrow wings.

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Did You Know?

It has successfully colonized multiple continents through accidental human transport.