Epeorella borneonia Ulmer, 1939 1 Lectotype male imago in dorsal view 2 Details of the mesonotum with transversal suture (arrow) 3 Detail of the mesothoracic furcasternum depression (arrow) 4 Detail of the genitalia in ventral view 5 Female subimago in lateral view 6 Detail of abdominal ridge (arrows) in dorsal view.

 
 
  Part of: Sartori M (2014) On the validity of Epeorella Ulmer, 1939 (Ephemeroptera, Heptageniidae) with general considerations on the Heptageniidae of the Sunda Islands. ZooKeys 445: 97-106. https://doi.org/10.3897/zookeys.445.8370