Lizard bark louse vs Yellow Barklouse

Valenzuela atricornis compared with Valenzuela flavidus

Taxonomic Classification

Rank	Lizard bark louse	Yellow Barklouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order same	Psocodea (Psocodea)	Psocodea (Psocodea)
Family same	Caeciliusidae	Caeciliusidae
Genus same	Valenzuela	Valenzuela
Species	Valenzuela atricornis	Valenzuela flavidus

Evolutionary Relationship

Lizard bark louse and Yellow Barklouse share a common ancestor at the Genus level: Valenzuela.

Conservation Status

Lizard bark louse

NE — Not Evaluated

Yellow Barklouse

NE — Not Evaluated

Physical Characteristics

Attribute	Lizard bark louse	Yellow Barklouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lizard bark louse

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States.

Yellow Barklouse

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States