Key to species of Daimachus Distant

1. Crown short, excluding eyes more than 4x as wide as long medially (Fig. 1G) (Maharashtra: Matheran)................................................................................................. D. matheranensis sp. nov.

- Crown longer, less than 3x as wide as long medially (Fig. 1A).................................................. 2

2. Male pygofer posterior margin strongly bilobed (Fig. 6C); aedeagus with shaft apex hooked (Fig. 6G) (Karnataka, Kerala, Madhya Pradesh).................................................................. D. exemplificatus Distant

- Male pygofer posterior margin not strongly bilobed (Figs 7A, 8A); aedeagus with shaft apex not hooked (Figs 7F, 8E)..... 3

3. Forewing about 2x as long as wide (Fig. 1J); aedeagal shaft in lateral view without triangular projections (Fig. 7F) (Kerala: Kasargod)............................................................................ D. robustus sp. nov.

- Forewing about 2.2x or more as long as wide (Fig. 1B); aedeagal shaft with triangular projections (Figs 8F, 9E)...........4

4. Aedeagal shaft with subapical small triangular projection on dorsal surface (Fig. 8E), apex with pair of long slender processes (Fig. 8G) (Karnataka: Sirsi)............................................................. D. sirsiensis sp. nov.

- Aedeagal shaft with dorsal and ventral triangular projections and apex with short lateral processes (Figs 9 EF) (Karnataka, Kerala)............................................................................ D. sudindicus sp. nov.