Ventral colouration patterns in species of the northern clade of the Hyloscirtus larinopygion species group: a H. antioquia b H. caucanus c H. criptico d H. larinopygion e H. lindae f H. pacha g H. pantostictus h H. princecharlesi i H. psarolaimus j H. ptychodactylus k H. sarampiona l H. sethmacfarlanei m H. staufferorum n H. tigrinus o H. tolkieni sp. nov. Illustrations by José M. Falcón-Reibán.

 
 
  Part of: Sánchez-Nivicela JC, Falcón-Reibán JM, Cisneros-Heredia DF (2023) A new stream treefrog of the genus Hyloscirtus (Amphibia, Hylidae) from the Río Negro-Sopladora National Park, Ecuador. ZooKeys 1141: 75-92. https://doi.org/10.3897/zookeys.1141.90290