As elsewhere stated, the species formerly described by me asGracilaria purpuriellaisG. stigmatellaFabr. In the Natural History of the Tineina, vol. viii., p. 35, Mr. Stainton gives the following account of it: "The larva feeds in and upon willows, sallows and poplars. On the white poplar I have had an opportunity of observing the mine of the young larva, which is asmall blotch not very unlike the mine of a Lithocoletis larva. (Italics my own.)