Forest Barklouse vs Grain Booklouse

Side-by-side species comparison

Attribute Forest Barklouse Grain Booklouse
Scientific Name Caecilius fuscopterus Liposcelis bostrychophila
Order Psocoptera Psocoptera
Family Caeciliusidae Liposcelididae
Size 2-3 mm 0.7-1.2 mm
Habitat Woodlands Gardens
Diet Herbivores Fungus Feeders
Regions Europe Worldwide
Conservation Least Concern Least Concern

Forest Barklouse

A common bark louse found on the bark and foliage of trees across Europe. It has distinctive dark-bordered wings.

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Did You Know?

It is frequently found on evergreen trees and shrubs in gardens.

Grain Booklouse

A tiny wingless booklouse that is one of the most common stored-product pests worldwide. It thrives in warm humid environments with starchy materials.

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Did You Know?

It reproduces by parthenogenesis, meaning populations consist entirely of females.