Key to specimens of Microdytes from India
1 Punctures on metacoxae moderately course to very course......................................................................................... 2
- Punctures on metacoxae missing or very fine.............................................................................................................. 7
2 Punctures on metacoxae very course and regular......................................................................................................... 3
- Punctures on metacoxae moderately course and irregular............................................................................................ 6
3 Body oblong-oval, moderately convex; TL: 1.90–2.50 mm ......................................... M. championi Balfour-Browne
- Body globular, strongly rounded.................................................................................................................................. 4
4 Pronotum and elytra predominantly yellowish-brown; TL: 1.90–2.15 mm ................................... M. sabitae Vazirani
- Pronotum and elytra predominantly red-brown to dark-brown.................................................................................... 5
5 Elytral punctation consisting of coarse and fine punctures; TL: 1.55–1.80 mm ............................... M. svensoni sp. n.
- Elytral punctation consisting of one kind of coarse punctures; TL: 170– 1.90 mm ................ M. belli Balfour-Browne
6 Body oblong-oval, elytral punctation fairly fine and regular; TL: 1.60–1.90 mm ........... M. maculatus (Motschulsky)
- Body regularly oval, elytral punctation consisting of strong and fine punctures; TL: 1.60–1.90 mm ........................... ........................................................................................................................... M. elgae Hendrich, Balke & Wewalka
7 Body regularly oval, punctation on head and pronotum distinct; TL: 1.40–1.50 mm .......... M. schoenmanni Wewalka
- Body oblong-oval, punctation on head and pronotum very fine to almost missing..................................................... 8
8 Body dorsoventrally compressed, elytra predominantly yellow-brown; TL: 1.33–1.53 mm ............. M. whitingi sp. n.
- Body moderately convex, elytra predominantly red-brown to dark brown.................................................................. 9
9 Larger species, head and pronotum predominantly dark brown to black; TL: 1.30–1.45 mm ...... M. boukali Wewalka
- Smaller species, head and pronotum predominantly red-brown; TL: 1.19–1.30 mm ...................... M. cameroni sp. n.