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


Infraorder Caeciliusetae

Tiny Bug - Polypsocus corruptus Polypsocus corruptus? - Polypsocus corruptus Trapped in a spider's web - Polypsocus corruptus Barklice - Xanthocaecilius sommermanae Caeciliusidae, Lizard Barklice, dorsal - Valenzuela Hairy-winged Barklouse - Polypsocus corruptus - male March barklouse - Teliapsocus conterminus 2018-08-23 Yellow barklouse - Valenzuela flavidus - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Psocomorpha
Infraorder Caeciliusetae
TBA in our area (1300 spp. in 74 genera of 5 families worldwide) (1)