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

Family Lachesillidae - Fateful Barklice

Island Bark louse - 3 - Lachesilla Lachesilla forcepeta Chapman - Lachesilla forcepeta - male Lachesilla yucateca Mockford - Lachesilla yucateca - female Lachesilla penta - female Lachesilla dona Sommerman - Lachesilla dona - female Lachesilla - Lachesilla nubilis - male Lachesellidae maybe? - Lachesilla rena Lachesilla arida - 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)
Numbers
43 spp. in 4 genera in NA(1); ca. 270 spp. in 14 genera worldwide (of which ~230 spp. in Lachesilla)(2)[cite:370484]
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)