Key to the Indian species of carinata group

1. Elytra densely and evenly covered with setae throughout, without smooth area near basal portion (Fig. 8); pygidial ridge incomplete (Fig. 20), parameres with lateral edges, nearly straight anteromedially in dorsal view (Fig. 48).......................................................................................... M. nepalensis (Blanchard, 1851)

– Elytra sparsely covered with setae with area near basal portion smooth (Figs. 9, 10); pygidial ridge complete (Figs. 21, 22); parameres with lateral edges, curved anteromedially in dorsal view (Figs. 49, 50).................................. 2

2. Costae on elytra relatively evidently demarcated (Fig. 9); pronotum sparsely setose with medial surface smooth (Fig. 9); parameres in dorsal and lateral views as in Figs. 49, 61................................. M . carinata (Brenske, 1896)

– Costae on elytra relatively less demarcated (Fig. 10); pronotum densely setose throughout (Fig. 10); parameres in dorsal and lateral views as in Figs 50, 62.......................................................... M . indica Hope, 1831