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

Upcoming Events

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

National Moth Week was July 23-31, 2022! See moth submissions.

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

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Family Ectopsocidae - Outer Barklice

Immatures - Ectopsocus californicus Another Ectopsocus nymph - Ectopsocus briggsi Psocodea - Ectopsocopsis cryptomeriae Psocopteran emerging from leaf litter - Ectopsocopsis cryptomeriae Ectopsocus - Ectopsocus californicus Ectopsocidae ? - Ectopsocus vachoni Psocoptera? Nymph or adult? - Ectopsocus californicus Barklouse - Ectopsocus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Psocomorpha
Infraorder Homilopsocidea
Family Ectopsocidae (Outer Barklice)
Explanation of Names
Ectopsocidae Roesler 1944
13 species in 2 genera in our area(1); ~230 spp. in 6 genera total (of which ~160 spp. of Ectopsocus)(2)