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


Family Mesopsocidae - Middle Barklice

Representative Images

Bug - Mesopsocus unipunctatus Bug - Mesopsocus unipunctatus Mesopsocus unipunctatus? - Mesopsocus unipunctatus Barklice - Mesopsocus laticeps Unknown insect in Western Washington - Mesopsocus unipunctatus M unipunctatus nymph - Mesopsocus unipunctatus Mesopsocus male - M. immunis? - Mesopsocus immunis - male unknown Psocodea - Mesopsocus laticeps

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Psocomorpha
Infraorder Homilopsocidea
Family Mesopsocidae (Middle Barklice)

Explanation of Names

Mesopsocidae Pearman 1936

Numbers

A single genus with 3 spp. in our area(1); >100 spp. in 17 genera total (incl. ~70 Mesopsocus spp.)(2)[cite:370484]