Key to Known Indian species of Orthelimaea Karny, 1926

(Reworked from Ingrisch, 1990)

1. Lobes of male subgenital plate almost parallel (Ingrisch, 1990: Figs. 23, 24; Text Fig. 1D)........................... 3

- Lobes of male subgenital plate widely separated in the middle (Ingrisch & Shishodia, 1998: Figs. 3, 4; Ingrisch, 1990: Fig. 25)................................................................................................. 2

2. Male cercus with apical part narrow acute (Ingrisch & Shishodia, 1998: Fig. 1); subgenital plate with the apical lobes less strongly diverging in middle and the basal area wider (Ingrisch & Shishodia, 1998: Figs. 3, 4)........................................................................................... O. carispina (Ingrisch & Shishodia, 1998)

- Male cercus with apical part broad and truncate (Ingrisch, 1990: Fig. 22); subgenital plate with the apical lobes strongly diverging in middle and the basal area narrower (Ingrisch, 1990: Fig. 25).......... O. securigera (Brunner von Wattenwyl, 1878)

3. Male cerci with apex excavated, dorsal apex with a long, pointed appendage (Ingrisch, 1990: Figs. 18, 19).............................................................................................. O. insignis (Walker, 1869)

- Male cerci with apex slightly excavated, dorsal apex with a tooth (Ingrisch, 1990: Figs. 20, 21; Text Fig. 1D)....................................................................................... O. himalayana (Ingrisch, 1990)