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


Infraorder Caeciliusetae

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Psocodea - Barklice, Booklice, and Parasitic Lice
Suborder Psocomorpha
Infraorder Caeciliusetae

Family Amphipsocidae - Hairy-winged Barklice
Genus Polypsocus
Species corruptus - Polypsocus corruptus
Family Asiopsocidae
Genus Asiopsocus
Species sonorensis - Asiopsocus sonorensis
Family Caeciliusidae - Lizard Barklice
Genus Xanthocaecilius
Species quillayute - Xanthocaecilius quillayute
Species sommermanae - Xanthocaecilius sommermanae
Subfamily Caeciliusinae
Genus Maoripsocus
Species semifuscatus - Maoripsocus semifuscatus
Species africanus - Maoripsocus africanus
Genus Stenocaecilius
Species antillanus - Stenocaecilius antillanus
Species casarum - Stenocaecilius casarum
Genus Valenzuela
Species antillanus - Valenzuela antillanus
Species confluens - Valenzuela confluens
Species distinctus - Valenzuela distinctus
Species gonostigma - Valenzuela gonostigma
Species indicator - Valenzuela indicator
Species manteri - Valenzuela manteri
Species nadleri - Valenzuela nadleri
Species perplexus - Valenzuela perplexus
Species posticus - Valenzuela posticus
Species subflavus - Valenzuela subflavus
No Taxon Flavidus Group
Species boreus - Valenzuela boreus
Species croesus - Valenzuela croesus
Species flavidus - Valenzuela flavidus
Species hyperboreus - Valenzuela hyperboreus
Species lachloosae - Valenzuela lachloosae
Species manteri - Valenzuela manteri
Species micanopi - Valenzuela micanopi
Species pinicola - Valenzuela pinicola
Species burmeisteri - Valenzuela burmeisteri
No Taxon images identified by E.L. Mockford as "Valenzuela sp."
Family Dasydemellidae - Shaggy Psocids
Genus Teliapsocus
Species conterminus - Teliapsocus conterminus
Family Stenopsocidae - Narrow Barklice
Genus Graphopsocus
Species cruciatus - Graphopsocus cruciatus