Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Family Psocidae - Common Barklice

Bark Louse - Metylophorus purus barklouse - Ptycta polluta Unknown bug - Cerastipsocus Unknown Psocopteran - Amphigerontia bifasciata Common Barklouse - Cerastipsocus venosus Hemipteran? - Hyalopsocus striatus Barklice - Blaste subquieta - male Indiopsous palmatus - Indiopsocus palmatus - female
Classification
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)
Numbers
>60 spp. in 14 genera of 2 subfamilies in our area(1), >1,300 spp. in ~90 genera of 3 subfamilies worldwide(2)
Size
2-12 mm
Habitat
On bark and on rocks(1)
Internet References
Video showing web-building