Grain Booklouse vs Reuterella Barklouse

Side-by-side species comparison

Attribute Grain Booklouse Reuterella Barklouse
Scientific Name Liposcelis bostrychophila Reuterella helvimacula
Order Psocoptera Psocoptera
Family Liposcelididae Elipsocidae
Size 0.7-1.2 mm 2.0-3.5 mm
Habitat Gardens Forests
Diet Fungus Feeders Omnivores
Regions Worldwide Europe
Conservation Least Concern Not Evaluated

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.

Reuterella Barklouse

A small barklouse with distinctive pale spots on dark wings found on tree bark. It is common in mixed forests throughout Europe.

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Did You Know?

This barklouse is one of the few European psocid species that can be identified in the field by its wing pattern alone.