Labrum of of stenopsocid species in frontal view. A Graphopsocus cruciatus; B Malostenopsocus yunnanicus; C Neostenopsocus externus; D Stenopsocus immaculatus. Scar bars = 0.25 mm.

 
 
  Part of: Liang F, Liu X (2024) Systematic revision and molecular phylogenetics refine the generic classification of the bark louse family Stenopsocidae (Insecta: Psocodea: Psocomorpha). Arthropod Systematics & Phylogeny 82: 433-446. https://doi.org/10.3897/asp.82.e114349