Male genitalia of Orthobrachia species. A O. latifasciata (Moore, 1888), Lectotype B O. flavidior (Hampson, 1898) C O. tenebrosa Yazaki, 1992, paratype D O. owadai Yazaki, 1992, holotype E O. simpliciata Yazaki, 2002, paratype F O. maoershanensis Huang, Xin & Wang, 2003, holotype G O. hirowatarii Huang, Su & Stüning, sp. n., holotype.

 
 
  Part of: Huang G-H, Su Z-Y, Stüning D (2016) Taxonomic notes on the genus Orthobrachia Warren, with description of a new species from China and Thailand (Lepidoptera, Geometridae). ZooKeys 609: 121-137. https://doi.org/10.3897/zookeys.609.8288