Degeeri Booklouse vs Large-winged Barklouse

Side-by-side species comparison

Attribute Degeeri Booklouse Large-winged Barklouse
Scientific Name Liposcelis decolor Psocus leidyi
Order Psocoptera Psocoptera
Family Liposcelididae Psocidae
Size 0.7-1 mm 3.0-5.0 mm
Habitat Indoors Woodlands
Diet Fungus Feeders Wood Feeders
Regions Worldwide North America
Conservation Least Concern Not Evaluated

Degeeri Booklouse

A cosmopolitan booklouse commonly found in libraries, herbaria, and grain stores. It can cause significant damage to stored collections.

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Did You Know?

It can build up huge populations undetected due to its tiny size.

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.