♂ . A small frail form with ciliate antennae no ocelli, and long, dependent palpi, their second joint thickly squamous. Fore wings grayish white, with their inner line black, fine, angulated. Outer line denticulate, followed by a pure white shade. A pure white shade in the place of the subterminal. Hind wings dusty white. Beneath the fore wings are pale fuscous, immaculate; hind wings whitish with a discal dot. Expanse 16 m.m. Canada, Mr. Saunders. This species differs decidely from the N. Am. species described by prof. Zeller; I do not find descriptions of N. Am. species in any other author.