Xylorhizini of Indomalayan region

proposed keys to select

• a) Partial regional key to genus derivated and adapted from (Breuning,1950) • not translated
• b) Partial regional key to genus derivated and adapted from (Gressitt,1951) [China]

possible resulting taxa

• Cyrtogrammus laosicus Breuning, 1968
• Cyrtogrammus mjobergi (Aurivillius, 1925)
  fig.
• Cyrtogrammus sumatranus Franz, 1954
• Cyrtogrammus thylactoides (Breuning, 1958)
  fig.
• Cyrtogrammus yamasakoi Vives & al., 2019
  fig.
• Grammoxylon hieroglyphicum (Redtenbacher, 1868)
  fig.
• Parathylactus sumatranus Breuning & de Jong, 1941
• Thylactus angularis Pascoe, 1866
  fig.
• Thylactus argenteus Vives & al., 2019
• Thylactus copei Heffern & Lin, 2021
• Thylactus itzingeri Breuning, 1935
  fig.
• Thylactus javanicus Breuning, 1935
  fig.
• Thylactus lateralis Jordan, 1894
  fig.
• Thylactus nylanderi Vives & al., 2019
• Thylactus sumatrensis Hüdepohl, 1987
• Xylorhiza adusta (Wiedemann, 1819)
  fig.