Key to Indian species of the H. angnorbui subgroup

1. Males. .................................................................................................................................................................... 2

— Females. ................................................................................................................................................................ 3

2. Lobes of segment X extending only slightly beyond dorsomesal lobe of segment IX; phallic parameres simple. ...................................................................................................................... H. amitabha Schmid, 1966

— Lobes of segment X extending considerably beyond dorsomesal lobe of segment IX; phallic parameres each trifid, with three branches unequal............................................................ H. angnorbui Schmid, 1963

3. Lower end of posterior margin of segment VIII in lateral view with concavity and anterior end of segment VIII without any projection. ...................................................................... H. amitabha Schmid, 1966

— Lower end of posterior margin of segment VIII in lateral view without concavity and anterior end of segment VIII with triangular projection............................................................ H. angnorbui Schmid, 1963