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

See Moth submissions from National Moth Week 2023

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

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 Barklice - Xanthocaecilius sommermanae Barklice? - Xanthocaecilius? - Xanthocaecilius sommermanae Barklouse - Xanthocaecilius sommermanae pale barklouse - Xanthocaecilius quillayute - female Xanthocaecilius quillayute? - Xanthocaecilius sommermanae Pennsylvania Barklouse for ID  - Xanthocaecilius sommermanae Valenzuela - Xanthocaecilius quillayute

barklouse - Valenzuela flavidus barklouse - Valenzuela hyperboreus ? - Valenzuela pinicola Valenzuela subflavus Aaron - Valenzuela subflavus - male Barklouse - Valenzuela subflavus Valenzuela male? - Valenzuela flavidus Bark Lice - Valenzuela flavidus 6965 - Maoripsocus semifuscatus Small Yellow Lice - Valenzuela indicator