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For Insects, Spiders & Their Kin
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National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

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


Family Caeciliusidae - Lizard Barklice

Representative Images

Valenzuela pinicola Banks - Valenzuela pinicola - female Possibly something similar to previous post? - Valenzuela flavidus Possibly Valenzula sp. Unknown Bark Louse - Valenzuela pinicola Caeciliusidae female? - Valenzuela - female Valenzuela? - Valenzuela Valenzuela subflavus - male Bark Louse - Valenzuela subflavus

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Psocomorpha
Infraorder Caeciliusetae
Family Caeciliusidae (Lizard Barklice)

Synonyms and other taxonomic changes

Caecilidae
taxonomy treated in(1)(2)

Explanation of Names

Caeciliusidae Mockford 2000

Numbers

31 spp. in 4 genera in NA(3); ~570 spp. in 32 genera total(4)

Habitat

Leaf-inhabiting species

Life Cycle

Eggs are laid bare and webbed.