Grain Booklouse vs Banded Barklouse

Side-by-side species comparison

Attribute Grain Booklouse Banded Barklouse
Scientific Name Liposcelis bostrychophila Philotarsus picicornis
Order Psocoptera Psocoptera
Family Liposcelididae Philotarsidae
Size 0.7-1.2 mm 2-3 mm
Habitat Gardens Woodlands
Diet Fungus Feeders Wood Feeders
Regions Worldwide Europe
Conservation Least Concern Least Concern

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.

Banded Barklouse

A small winged bark louse found on tree trunks throughout Europe. It has distinctively banded antennae.

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Did You Know?

It is often the most commonly collected bark louse in European forest surveys.