Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Interactive image map to choose major taxa Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Subfamily Psocinae

Representative Images

large barklouse - Metylophorus novaescotiae Common Barklouse Herd - Cerastipsocus venosus Psocus leidyi Aaron - Psocus leidyi - male unknown insect (?Psocidae) - Psocus leidyi Brachypterous or nymphal male psocid - Camelopsocus - male Is this a male Metylophorus novaescotiae maybe ?  - Metylophorus novaescotiae Indiopsocus - Indiopsocus bisignatus Bark Louse - Family Psocidae - Trichadenotecnum

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)
Subfamily Psocinae

Numbers

As treated here, contains >40 spp. in 11 genera of 4 tribes in our area and >1000 spp. in ~40 genera of 8 tribes worldwide(1)(2)