Lepidopsocidae are an insect family of bark lice belonging to the suborder Trogiomorpha. Their common name is scaly-winged barklice. There are more than 220 species described worldwide. Phylogenetic DNA analysis of relationships between families in Trogiomorpha propose that Lepidopsocidae is monophyletic, meaning that the taxa within all share a common ancestor.Yoshizawa, Kazunori, Charles Lienhard, and Kevin P. Johnson. "Molecular systematics of the suborder Trogiomorpha (Insecta: Psocodea:‘Psocoptera’)." Zoological Journal of the Linnean Society 146.2 (2006): 287-299. This is supported morphologically by the presence of scales and setae covering the body and forewings of Lepodopsocids. Sister families of Lepidoposcidae include Trogiidae and Psoquillidae.
Lepidopsocidae was described by Gunther Enderlein in The Scaly Winged Copeognatha (Monograph of the Amphientomidae, Lepidopsocidae, and Lepidillidae in relation to their Morphology and Taxonomy), published in 1906.Enderlein, Gunther. "The Scaly Winged Copeognatha (Monograph of the Amphientomidae, Lepidopsocidae, and Lepidillidae in relation to their Morphology and Taxonomy." Spolia Zeylandica 4 (1906): 39-122. Subfamilies of Lepidopsocidae include: Echinopsocinae Enderlein, 1906 Lepidopsocinae Enderlein, 1903 Lepolepidinae Parasoinae Mockford, 2005 Perientominae Enderlein, 1903 Thylacellinae Roesler, 1944
Genera These 21 genera belong to the family Lepidopsocidae:
Cyptophania Banks, 1931 Echinopsocus Enderlein, 1903 Echmepteryx Aaron, 1886 Illepidopsocus Li, 1994 Lepidopsocus Enderlein, 1903 Lepolepis Enderlein, 1906 Neolepidopsocus Li, 1992 Neolepolepis Mockford, 1993 Nepticulomima Enderlein, 1906 Notolepium Enderlein, 1910 Papuapsocus Mockford, 2005 Parasoa Thornton, 1962 Perientomum Hagen, 1865 Proentomum Badonnel, 1949 Pseudothylacus Li, 2002 Pteroxanium Enderlein, 1922 Scolopama Enderlein, 1906 Soa Enderlein, 1904 Thylacella Enderlein, 1911 † Lepium Enderlein, 1906 † Thylax Hagen, 1866
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