Tirathaba grandinotella is a species of moth of the family Pyralidae.[1] It was described by George Hampson in 1898. It is found in India (Assam) and on Ambon.[2] [3]
The wingspan is 28–38 mm. The forewings are dark purplish red with a small annulus in the base of the cell, a larger one at the middle and a discocellular annulus with black margins and purple-red centres. The outer margin is red with some dark suffusion inside it at the costa. There are some white points on the costa towards the apex and a marginal series. The hindwings are fuscous.[4]