Valenzuela Barklouse vs Long-winged Barklouse

Side-by-side species comparison

Attribute Valenzuela Barklouse Long-winged Barklouse
Scientific Name Valenzuela flavidus Ectopsocus briggsi
Order Psocoptera Psocoptera
Family Caeciliusidae Ectopsocidae
Size 2.0-3.0 mm 2-3 mm
Habitat Heathland Woodlands
Diet Herbivores Herbivores
Regions Europe, North America, Asia Europe, North America, Australasia
Conservation Not Evaluated Least Concern

Valenzuela Barklouse

A common yellowish barklouse found on a wide range of trees and shrubs. It is one of the most abundant psocids in temperate regions.

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Did You Know?

This species is so common that it appears in almost every barklouse survey conducted in Europe.

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.