Orientafroinsularis martini (Distant, 1905b) n. comb.

Rihana martini Distant 1905b: 198 . (Andranomana, southern Madagascar)

Chremistica cf. matilei Marshall et al. 2018b: 8, Table 1, 19, Figure 4, 21, Figure 6, 22, Figure 7, 23, Figure 8, 38.

Remarks.—The largest of the Madagascar species in the genus with a body length of about 34–37 mm and a wingspan of about 100–104 mm (Distant 1905b; specimen from Marshall et al. 2018b). It can be distinguished rapidly as it is the only known species with a wingspan greater than 100 mm. The infuscations on the radial and radiomedial crossveins are not connected through the apical cell veins in this species.

Distribution.—The species is known only from Madagascar (Metcalf 1963a; Sanborn 2013). The species has been reported from Andranomana, southern Madagascar, Mahafaly, southwestern Madagascar, and Tulear, southwestern Madagascar (Distant 1905b; Jacobi 1917).