Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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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 Caeciliusidae - Lizard Barklice

Barklouse - Xanthocaecilius sommermanae Little insect - Xanthocaecilius Xanthocaecilius quillayute? - Xanthocaecilius Xanthocaecilius Psocodea  - Xanthocaecilius sommermanae - male Xanthocaecilius quillayute - male Pennsylvania Barklouse for ID  - Xanthocaecilius sommermanae Xanthocaecilius sommermanae? - Xanthocaecilius sommermanae

Valenzuela croesus (Chapman) - Valenzuela croesus - male Lizard louse - Valenzuela flavidus Caeciliusidae female? - Valenzuela - female Valenzuela male - maybe flavidus? - Valenzuela - male Valenzuela posticus? - Valenzuela posticus Psocodea, Valenzuela? - Valenzuela confluens  Valenzuela flavidus? - Valenzuela flavidus barklice? - Valenzuela subflavus