Valenzuela Barklouse vs Common Barklouse

Side-by-side species comparison

Attribute Valenzuela Barklouse Common Barklouse
Scientific Name Valenzuela flavidus Cerastipsocus venosus
Order Psocoptera Psocoptera
Family Caeciliusidae Psocidae
Size 2.0-3.0 mm 4.0-6.0 mm
Habitat Heathland Woodlands
Diet Herbivores Wood Feeders
Regions Europe, North America, Asia North America
Conservation Not Evaluated Not Evaluated

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.

Common Barklouse

A large winged barklouse found in herds on tree trunks in eastern North America. It has prominent veined wings and feeds on algae and lichens.

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Did You Know?

These barklice form conspicuous herds of up to several hundred individuals that march across tree trunks in unison.