Belongs within: Psocodea.
Contains: Echmepteryx.
The Lepidopsocidae are a group of barklice associated primarily with leaf litter and dead foliage. Most subfamilies have the body and wings bearing flattened scales but scales are absent in Thylacellinae (New & Lienhard 2007).
Characters (from New & Lienhard 2007): Body length usually ca 2 mm, fore wing length 2–2.5 mm. Lacinial apex divided with few teeth. Maxillary palpi with conical sensillum on inner side of second segment; labial palpi two-segmented. Antennae with numerous segments (more than 20, occasionally up to 50), not annulated. Tarsi three-segmented, claws curved, usually with one subapical tooth but sometimes with more or none. Fore wing often acuminate, usually (together with body and legs) with covering of flattened scales; pterostigma not thickened; vein Sc often well developed; R–Rs crossvein usually present; Rs and M commonly fused for a length; areola postica long; veins Cu2 and 1A ending separately on wing margin. Hind wing vein R1 long; vein M with two branches, these arising separately; hind wing sometimes absent. Paraproct with strong spine, trichobothrial field not defined. Female with gonapophyses reduced, ventral valve absent; dorsal valve small and often weakly sclerotised, sometimes absent; external valve large, setose. Male with phallosome with parameres divergent anteriorly; aedeagus often complex.
<==Lepidopsocidae [Perientometae, Perientomoidea] |--Parasoa [Parasoinae]NL07 | `--*P. haploneura Thornton 1962NL07 |--Lepolepis Enderlein 1906L98 [LepolepidinaeNL07] | |--*L. ceylonica Enderlein 1906L98 | |--L. bicolor Broadhead 1955L98 | `--L. columbiensis Badonnel 1986B86 |--Thylacellinae [Thylacellidae, Thylacelloidea, Udamolepinae]NL07 | |--Illepidopsocus Li 1994L02 | | `--*I. yunnanicus Li 1994L02 | |--Pseudothylacus Li 2002L02 | | `--*P. acisopterus Li 2002L02 | `--Thylacella Enderlein 1911 [incl. Udamolepis Enderlein 1912]M93 | |--*T. eversianaM93 | |--T. congolensis [=Udamolepis congolensis]B55 | |--T. cubana (Banks 1941) [=Echmepteryx cubana]M93 | |--T. fasciata Badonnel 1955M93 | `--T. immaculata Badonnel 1955B55 |--EchinopsocinaeNL07 | |--ScolopamaNL07 | |--Pteroxanium Enderlein 1922M93 [incl. Lepidilla Ribaga 1905 non Matthew 1886L98, Tasmanopsocus Hickman 1934L98] | | `--*P. kelloggi (Ribaga 1905) (see below for synonymy)L98 | |--EchinopsocusNL07 | | |--*E. erinaceus Enderlein 1903NL07 | | `--E. grayiNL07 | `--Neolepolepis Mockford 1993M93 | |--*N. occidentalis (Mockford 1955) [=Lepolepis occidentalis]M93 | |--N. caribensis (Turner 1875) [=Lepolepsis (l. c.) caribensis]M93 | `--N. xerica [=Echmepteryx xerica]M93 |--LepidopsocinaeNL07 | |--EchmepteryxNL07 | |--Cyptophania Banks 1931NL07, MW13 [incl. Ptenocorium Enderlein 1931MW13, Pteroxaniella Karny 1932MW13] | | |--*C. hirsuta Banks 1931MW13 | | |--C. alutacea (Enderlein 1931)MW13 [=*Ptenocorium alutaceumNL07] | | |--C. australica Mockford & Wynne 2013MW13 | | |--C. bifurcataMW13 [=*Pteroxaniella bifurcataNL07] | | |--C. costalis Mockford & Wynne 2013MW13 | | |--C. marginata Thornton, Lee & Chui 1972NL07 | | `--C. pakaratii Mockford & Wynne 2013MW13 | `--LepidopsocusMW13 | |--*L. nepticulides Enderlein 1903NL07 | |--L. cinctusMW13 | |--L. maculatusMW13 | |--L. magnusMW13 | |--L. marmoratus (Banks 1931) [=Echmepteryx marmorata]NL07 | |--L. pretiosus (Banks 1942) [=Echmepteryx pretiosus]NL07 | |--L. pseudomaculatus Thornton 1981NL07 | `--L. sudarmani Vaughan, Thornton & New 1989NL07 `--Perientominae [Perientomidae]NL07 |--*Papuapsocus caudatus Mockford 2005NL07 |--Proentomum Badonnel 1949M93 | `--*P. personatum Badonnel 1949M93 |--Lepium Enderlein 1906L02 | `--L. enderleini Banks 1937L02 |--Neolepipsocus Li 1992L02 | `--*N. chinensis Li 1992L02 |--PerientomumNL07 | |--*P. trichopteryx [=Amphientomum trichopteryx]NL07 | `--P. corticola Vaughan, Thornton & New 1989NL07 |--Soa Enderlein 1904M93 | |--*S. dahliana Enderlein 1904NL07 | |--S. angolana Badonnel 1955B55 | |--S. flaviterminata Enderlein 1906NL07 | `--S. violaceaM93 `--Nepticulomima Enderlein 1906M93 |--*N. sakuntala Enderlein 1906NL07 |--N. biroiana (Enderlein 1903)NL07 |--N. bothriata Thornton, Lee & Chui 1972N75 |--N. essigkeana Enderlein 1906N75 |--N. hoesemanni (Enderlein 1903)NL07 [=Perientomum hoesemanniS95] |--N. jacobsoni Enderlein 1926NL07 |--N. latisquama Enderlein 1926NL07 |--N. lusiae Thornton 1981NL07 |--N. orientalis New 1975N75 |--N. penicillata Enderlein 1926NL07 |--N. sumatrensis Vaughan, Thornton & New 1991NL07 `--N. uniformis Vaughan, Thornton & New 1989NL07
*Pteroxanium kelloggi (Ribaga 1905) [=Lepidilla kelloggi; incl. Hyperetes brittanicus Harrison 1916, Tasmanopsocus litoralis Hickman 1934, Pteroxanium squamosum Enderlein 1922]L98
*Type species of generic name indicated
References
[B55] Badonnel, A. 1955. Psocoptères de l’Angola. Diamang Publicações Culturais 26: 11–267.
[B86] Badonnel, A. 1986. Psocoptères de Colombie (Insecta, Psocoptera). Spixiana 9 (2): 179–223.
[L02] Li F. 2002. Psocoptera of China vol. 1. Science Press: Beijing.
[L98] Lienhard, C. 1998. Faune de France. France et Régions Limitrophes. 83. Psocoptères Euro-Méditerranéens. Fédération Française des Sociétés de Sciences Naturelles: Paris.
[M93] Mockford, E. L. 1993. North American Psocoptera (Insecta). Sandhill Crane Press, Inc.
[MW13] Mockford, E. L., & J. J. Wynne. 2013. Genus Cyptophania Banks (Psocodea: ‘Psocoptera’: Lepidopsocidae): unique features, augmented description of the generotype, and descriptions of three new species. Zootaxa 3702 (5): 437–449.
[N75] New, T. R. 1975. Lepidopsocidae and Amphientomidae (Psocoptera) from Malaysia and Singapore. Oriental Insects 9 (2): 177–194.
[NL07] New, T. R., & C. Lienhard. 2007. The Psocoptera of Tropical South-east Asia. Brill: Leiden.
[S95] Smithers, C. N. 1995. Psocoptera (Insecta) of Christmas Island. Invertebrate Taxonomy 9: 529–561.