Psyllipsocus is a genus of cave barklice in the family Psyllipsocidae. There are more than 50 described species in Psyllipsocus.

Species: These 56 species belong to the genus Psyllipsocus:

• Psyllipsocus albipalpus Mockford, 2011
• Psyllipsocus angustipennis Lienhard, 2014
• Psyllipsocus apache Mockford, 2011
• Psyllipsocus batuensis Thornton, 1962
• Psyllipsocus bombayensis Menon, 1942
• Psyllipsocus chamela Garcia Aldrete, 1984
• Psyllipsocus chiquibulensis Garcia Aldrete, 1997
• Psyllipsocus clunioventralis Lienhard, 2014
• Psyllipsocus clunjunctus Lienhard, 2013
• Psyllipsocus decoratus Mockford, 2011
• Psyllipsocus delamarei Badonnel, 1962
• Psyllipsocus didymus Lienhard, 2014
• Psyllipsocus disparunguis Lienhard, 2009
• Psyllipsocus dorae Badonnel, 1973
• Psyllipsocus edentulus Menon, 1942
• Psyllipsocus falcifer Lienhard, 2014
• Psyllipsocus flexuosus Mockford, 2011
• Psyllipsocus fuscipalpus Mockford, 2011
• Psyllipsocus fuscistigma Lienhard, 2014
• Psyllipsocus garciamolinai Garcia Aldrete, 1984
• Psyllipsocus hilli Mockford, 2011
• Psyllipsocus hirsutus Thornton, 1962
• Psyllipsocus huastecanus Mockford, 2011
• Psyllipsocus hyalinus Garcia Aldrete, 1993
• Psyllipsocus kintpuashi Mockford, 2011
• Psyllipsocus maculatus Li, 2002
• Psyllipsocus marconii Lienhard, 2014
• Psyllipsocus metamicropterus Enderlein, 1908
• Psyllipsocus mili Weingardt, Liang & Yoshizawa 2025

• Psyllipsocus minutissimus Enderlein, 1920
• Psyllipsocus monticolus Garcia Aldrete, 1989
• Psyllipsocus neoleonensis Garcia Aldrete, 1993
• Psyllipsocus oculatus Gurney, 1943
• Psyllipsocus orghidani Badonnel, 1977
• Psyllipsocus ornatus Badonnel, 1973
• Psyllipsocus poblanus Mockford, 2011
• Psyllipsocus proximus Lienhard, 2014
• Psyllipsocus punctulatus Lienhard, 2014
• Psyllipsocus radiopictus Lienhard, 2014
• Psyllipsocus ramburii Selys-Longchamps, 1872
• Psyllipsocus regiomontanus Mockford, 2011
• Psyllipsocus sanxiaensis Li, 1997
• Psyllipsocus sauteri Enderlein, 1906
• Psyllipsocus serrifer Lienhard, 2013
• Psyllipsocus similis Lienhard, 2013
• Psyllipsocus sinicus Li & Yang, 1988
• Psyllipsocus spinifer Lienhard, 2014
• Psyllipsocus spinosus Badonnel, 1955
• Psyllipsocus squamatus Mockford, 2011
• Psyllipsocus stupendus Lienhard & Garcia Aldrete, 2016
• Psyllipsocus subterraneus Mockford, 2011
• Psyllipsocus subtilis Lienhard, 2014
• Psyllipsocus thaidis Lienhard, 2014
• Psyllipsocus yongi New & Lee, 1992
• Psyllipsocus yucatan Gurney, 1943
• † Psyllipsocus eocenicus Nel, Prokop, De Ploeg & Millet, 2005 Oise amber, France, Eocene
• † Psyllipsocus yoshizawai Álvarez-Parra et al. 2020 Burmese amber, Myanmar, Cenomanian