Mecistoptera albisigna is a species of moth of the family Erebidae. It was described by Hampson in 1912. It is found in southern India, Australia and on Fiji. The wingspan is about 24 mm. The forewings are grey-brown irrorated with a few black scales and with traces of a strongly excurved antemedial line. The orbicular stigma is found near the end of the cell and is round and defined by black except below. There is a comet-shaped mark at the end of the cell, its upper extremity extending to near the costa and its lower to near the postmedial line above vein three, defined by black except above, with a white spot on its inner side on the discocellulars, a white line on its outer edge and some rufous in the centre, some black suffusion beyond it and a slight white streak above its upper extr