Key to species of Miradeltaphus Dash & Viraktamath (males)

1. Style without projections, apex blunt (Dash & Viraktamath (1995), Figs. 7, 8). Aedeagus with lateral preapical processes long and slender, without ventral preapical process (Dash & Viraktamath (1995), Figs. 9, 10).... M. mirabilis Dash & Viraktamath

- Style with projections, apex acuminate (Fig. 2 D). Aedeagus with lateral preapical processes short and finlike, keel-shaped ventral preapical process present (Fig. 2 F)........................................................ M. sanogae sp. n.