As elsewhere stated, the species formerly described by me as Gracilaria purpuriella is G. stigmatella Fabr. 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 a small blotch not very unlike the mine of a Lithocoletis larva. (Italics my own.)