Muangnua arborea Tumpeesuwan & Tumpeesuwan, sp. nov. A colour pattern variation within population B close-up view of caudal horn (indicated by arrow).

 
 
  Part of: Tumpeesuwan C, Tumpeesuwan S (2019) Muangnua arborea, a new semislug (Gastropoda, Stylommatophora, Helicarionidae, Durgellininae) from Loei Province, northeastern Thailand. ZooKeys 894: 19-32. https://doi.org/10.3897/zookeys.894.38327