Pterogonia is a genus of moths of the family Nolidae described by Swinhoe in 1891.
Palpi obliquely upturned and reaching above a sharp frontal tuft. Forewings with straight costa. Outer margin angled at vein 3. Veins 8 and 9 anastomosing to form an areole. The retinaculum is bar-shaped in male. Hindwings with vein 8 anastomosing with vein 7 to middle of cell. Vein 5 from near lower angle of cell.[1]
. George Hampson . 1894 . The Fauna of British India, Including Ceylon and Burma: Moths Volume II . Taylor and Francis . Biodiversity Heritage Library.