Template:Lienhard & Ferreira, 2013
- Lienhard, C.; Ferreira, R.L. 2013: Three new species of Psyllipsocus (Psocodea: ‘Psocoptera’: Psyllipsocidae) from Brazilian caves with description of a novel structure interpreted as a male accessory genital organ. Revue suisse de zoologie 120(3): 421–443. Abstract only seen