Long-winged Barklouse vs Common Bark Louse

Side-by-side species comparison

Attribute Long-winged Barklouse Common Bark Louse
Scientific Name Ectopsocus briggsi Graphopsocus cruciatus
Order Psocoptera Psocoptera
Family Ectopsocidae Stenopsocidae
Size 2-3 mm 3-4 mm
Habitat Woodlands Woodlands
Diet Herbivores Wood Feeders
Regions Europe, North America, Australasia Europe, North America
Conservation Least Concern Least Concern

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.

Common Bark Louse

A winged bark louse with distinctive cross-shaped wing markings found on tree trunks across Europe. It feeds on algae and lichen on bark.

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Did You Know?

Its cross-shaped wing pattern makes it one of the easiest bark lice to identify.