Pithauria stramineipennis, the light straw ace, is a species of skipper butterfly found in tropical Asia.

In describing this species James Wood-Mason and Lionel de Nicéville wrote: In our figure the downy clothing of the upperside of the wings at the base is not represented of a sufficiently light and bright shade; it is in reality of a clear bright whitey-brown or straw-colour, which, being conspicuously contrasted with the dark margins, renders P. stramineipennis most readily distinguishable from P. murdava, in which the downy clothing is, as has already been stated, yellowish-olivaceous.

The genital armature, which has been carefully examined in several specimens of each species, though identical in general plan, yet differs greatly in detail in the two.

All the spots and streaks of both sides are no less variable in P. stramineipennis than they are in P. murdava, so we have not attempted to describe them.

[1]Pithauria stramineipennis is found in Sikkim, Bhutan, Upper Assam and Cachar.