White-shouldered House Moth vs Dorypteryx Booklouse

Side-by-side species comparison

Attribute White-shouldered House Moth Dorypteryx Booklouse
Scientific Name Endrosis sarcitrella Dorypteryx domestica
Order Lepidoptera Psocoptera
Family Oecophoridae Psoquillidae
Size 15-21 mm wingspan 1.5-2.0 mm
Habitat Indoors Indoors
Diet Seed Feeders Fungus Feeders
Regions Cosmopolitan Europe, North America
Conservation Least Concern Not Evaluated

White-shouldered House Moth

A small greyish moth with a conspicuous white head and thorax that is common in buildings year-round. It is found worldwide as a minor household pest.

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Did You Know?

It is one of the few moths that can breed continuously indoors throughout the year without a dormant phase.

Dorypteryx Booklouse

A winged domestic psocid found in houses, especially in roof spaces and lofts. It is attracted to light and sometimes swarms indoors.

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Did You Know?

This booklouse frequently appears at windows and lights in old houses, often being mistaken for a tiny moth.