Large-winged Barklouse vs Furniture Booklouse

Side-by-side species comparison

Attribute Large-winged Barklouse Furniture Booklouse
Scientific Name Psocus leidyi Liposcelis paeta
Order Psocoptera Psocoptera
Family Psocidae Liposcelididae
Size 3.0-5.0 mm 0.7-1.0 mm
Habitat Woodlands Indoors
Diet Wood Feeders Fungus Feeders
Regions North America Europe, North America, Oceania
Conservation Not Evaluated Not Evaluated

Large-winged Barklouse

A conspicuous barklouse with large patterned wings found on deciduous trees. Adults are active in late summer and autumn.

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Did You Know?

Despite their delicate appearance, winged barklice are surprisingly strong fliers and are attracted to lights at night.

Furniture Booklouse

A minute pale booklouse often found in new homes and recently plastered walls. It feeds on microscopic mold in damp indoor environments.

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Did You Know?

Outbreaks in new buildings disappear once the structure dries out and mold can no longer grow on fresh plaster.