The oldest psyllipsocid booklice, in Lower Cretaceous amber from Lebanon (Psocodea, Trogiomorpha, Psocathropetae, Psyllipsocidae) Author Azar, Dany Author Nel, Andre text ZooKeys 2011 130 153 165 http://dx.doi.org/10.3897/zookeys.130.1430 journal article http://dx.doi.org/10.3897/zookeys.130.1430 1313-2970-130-153 Libanopsyllipsocus gen. n. Type species. Libanopsyllipsocus alexanderasnitsyni sp. n. Etymology. After "Libano" (Lebanese in Latin), and " Psyllipsocus ", type genus of the family Psyllipsocidae ; gender masculine. Diagnosis . Hypopharynx with two distinct filaments. Macropterous; forewing without pterostigma; M two-branched; areola postica elongate and free; Cu2 and A ending together forming a nodulus. Hindwing with R1 absent; Rs two-branched; M simple; basal cell present. Distal end of tibia with two inner spines; tarsi three-segmented; distal pretarsi with claw with preapical tooth, and without pulvillus and microtrichia.