Rhodostrophia grumaria (Alphéraky, 1892)

Fig. 3

Pellonia grumaria Alphéraky, 1892, Horae Soc. ent. ross., 26 (4): 454. Holotype ♁, China: Tibet, Amdo, Sinin.

Rhodostrophia grumaria: Prout, 1913, in Seitz, Macrolepid. World, 4: 41.

Diagnosis. The rami of the male quadripectinate antennae are much shorter than in most other species of the genus; the male hind tibia has three spurs; the colour of the forewing is pale brownish grey and whiter on the hind wing; the antemedial line of the forewing is thin and bimodal (i.e. curved outwards in cell and below cell); the discal spots on both wings are distinct; the postmedial line of the forewing is broad and slightly wavy; the postmedial line of the hind wing is distinct.

Material examined. China: Tibet (ZFMK): 1 6, Thibet, Sammlung Eugen Wehrli, Eing. Nr. VII.1956. More material is available at ZFMK.

Distribution. China (Qinghai, Tibet).

Remarks. In the female specimens, the wings are narrow, the apex of the forewing is acutely pointed, the apex of the hind wing is rounded, the outer margin of the forewing is strongly oblique, the outer margin of both wings are faintly concave (Prout 1912 –1916).