Prosopistoma sp.: A Antenna B Labrum C Mandible D Magnified view of inner and outer canine of mandible E Maxillae F Tip of Maxillae G Prementum with labial palps H postmentum. Scale bar in μm.

  Part of: Yam RSW (2015) First record of the genus Prosopistoma Latreille, 1833 (Ephemeroptera, Prosopistomatidae) in Taiwan. ZooKeys 473: 147-156.