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

Calendar
Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, 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

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

Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Family Lachesillidae - Fateful Barklice

Lachsilla major Chapman - Lachesilla major - male Anomopsocus amabilis (Walsh) - Anomopsocus amabilis - male Lachesilla andra? - Lachesilla andra Psocid - Lachesilla kathrynae Lachesellidae maybe? - Lachesilla rena Psocidae? - Lachesilla Psocodea, anterior - Lachesilla - male unusual lachesilid - Lachesilla - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Psocodea (Barklice, Booklice, and Parasitic Lice)
Suborder Psocomorpha
Infraorder Homilopsocidea
Family Lachesillidae (Fateful Barklice)
Explanation of Names
Lachesillidae Pearman 1936
Numbers
43 spp. in 4 genera in our area(1); ~650 spp. in 26 genera total (of which ~350 spp. in Lachesilla)(2)
Identification
Very small barklice with clear wings and a distinct cubital loop (U-shaped vein in the central upper margin of the forewing). Ectopsocidae look very similar but lack the cubital loop. (Philip Careless, 12/24/2007)