Valenzuela Barklouse vs Dusty Barklouse

Side-by-side species comparison

Attribute Valenzuela Barklouse Dusty Barklouse
Scientific Name Valenzuela flavidus Lachesilla pedicularia
Order Psocoptera Psocoptera
Family Caeciliusidae Lachesillidae
Size 2.0-3.0 mm 1-1.5 mm
Habitat Heathland Indoors
Diet Herbivores Fungus Feeders
Regions Europe, North America, Asia Worldwide
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.

Dusty Barklouse

A tiny psocid commonly found in old books, herbaria, and grain stores. It thrives in dusty undisturbed environments.

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Did You Know?

It is a major pest in natural history museum collections worldwide.