Key to the subgenera of Conocephalus from India

1. Male cerci with two internal teeth......................................................................... 2

- Male cerci with one internal tooth..................................................... Anisoptera Latreille, 1829

2. Prosternum bispinose............................................................... Xiphidion Serville, 1831

- Prosternum without spines...................................................... Conocephalus Thunberg, 1815