Hiatusorus concavus (Nielson)

Fig. 24 M–Q.

Taharana concavus Nielson 1982: 79−81, Figs. 240−244;

Hiatusorus concavus (Nielson): Nielson 2015: 32.

Remarks. Specimens of this species were not studied. Nielson (1982) adequeately described and illustrated this speices based on a male and female collected from Taungyi (Myanmar). Among the species of the genus, this species can be easily recognized by the subgenital plate being long and narrow with numerous long and fine hair-like setae subapically and with an apical spine (Fig. 24 O).