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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

Lachesilla andra Sommerman - Lachesilla andra - male Lachsilla nubilis (Aaron) - Lachesilla nubilis - male Ectopsocidae? - Lachesilla pacifica Unknown Barklouse - Lachesilla Lachesilla texana - female Small winter barklouse - Lachesilla female? - Lachesilla unusual lachesilid - Lachesilla - female Bark Louse - Lachesilla
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
43 spp. in 4 genera in our area(1); ~650 spp. in 26 genera total (of which ~350 spp. in Lachesilla)(2)
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)