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

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

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

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Family Ectopsocidae - Outer Barklice

barklouse? - Ectopsocopsis cryptomeriae Immatures - Ectopsocus californicus Unknown Psocopteran - Ectopsocus thibaudi Ectopsocus californicus  - Ectopsocus californicus - female Psocodea - Ectopsocopsis cryptomeriae Psocid - Ectopsocus briggsi Unknown Barklouse - Ectopsocus vachoni tiny Ectopsocus - 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)
13 species in 2 genera in NA(1); ca. 180 spp. in 4 genera worldwide (of which ~160 spp. of Ectopsocus)(2)[cite:370484]