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Family Psocidae - Common Barklice

Bark Lice - Cerastipsocus venosus Hyalopsocus sp. - Hyalopsocus - female barklouse - Indiopsocus infumatus Barklice - Blaste subquieta Insects on Balsam Tree in Ontario - Cerastipsocus venosus Psocodea ? - Trichadenotecnum alexanderae Bark louse with a green, patterned head - Amphigerontia montivaga Washington Louse
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Psocomorpha
Infraorder Psocetae
Family Psocidae (Common Barklice)
Explanation of Names
Psocidae Hagen 1865
>60 spp. in 14 genera of 2 subfamilies in our area(1), ~1,150 spp. in 95 genera of 4 subfamilies total(2)
2-12 mm
On bark and on rocks(1)