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

Do you use BugGuide? Please consider a monetary gift on this Giving Tuesday.

Your donation to BugGuide is tax-deductible.

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


Family Lachesillidae - Fateful Barklice

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

Genus Anomopsocus
Species amabilis - Anomopsocus amabilis
Genus Lachesilla
No Taxon andra group
Species andra - Lachesilla andra
Species dona - Lachesilla dona
Species kola - Lachesilla kola
Species nubilis - Lachesilla nubilis
Species punctata - Lachesilla punctata
Species texana - Lachesilla texana
No Taxon corona group
Species corona - Lachesilla corona
Species michiliensis - Lachesilla michiliensis
No Taxon forcepeta group
Species anna - Lachesilla anna
Species contraforcepeta - Lachesilla contraforcepeta
Species floridana - Lachesilla floridana
Species forcepeta - Lachesilla forcepeta
Species kathrynae - Lachesilla kathrynae
Species major - Lachesilla major
Species penta - Lachesilla penta
Species typhicola - Lachesilla typhicola
No Taxon pedicularia group
Species pacifica - Lachesilla pacifica
Species pallida - Lachesilla pallida
Species pedicularia - Cosmopolitan Grain Barklouse
Species rena - Lachesilla rena
Species tectorum - Lachesilla tectorum
Species yucateca - Lachesilla yucateca
Species otomi - Lachesilla otomi
Species quercus - Lachesilla quercus
No Taxon riegeli group
Species tropica - Lachesilla tropica
No Taxon rufa group
Species arida - Lachesilla arida
Species nita - Lachesilla nita
Species rufa - Lachesilla rufa
No Taxon sclera group
Species sulcata - Lachesilla sulcata
No Taxon centralis group
Species centralis - Lachesilla centralis