Male. Length 3 1/2 lines.-Dark rufo-testaceous: the antennae and mouth pale rufo-testaceous; the head smooth and shining, the ocelli very prominent. Thorax very smooth and shining; wings hyaline and beautifully iridescent, the nervures pale testaceous, the tegulae, posterior margin of the prothorax, the base and apex of the femora, the tibiae and the tarsi, pale rufo-testaceous. Abdomen elongate, slightly strangulated at the apex of the first segment; the apical margins of the three basal segments and the whole of the following segments pale rufo-testaceous; the node of the abdomen conical; the insect covered with a short thin downy pile.
Hab. North Bengal.
