The females of this distinctive species are not known. It also occurs in Papua New Guinea.
Forewings are much larger than the hindwings, and have a pronounced ring-like marking in the forewing cell which may have a glandular function. The male genitalia are large in proportion to the abdomen, and are covered in long scales.
McIlwraith Ranges and Claudie River (QLD)Biomaps map of <em>Tylanthes ptochias</em> specimens from the Australian Museum database http://www.biomaps.net.au/biomaps2/mapam.jsp?cqn=Tylanthes%20ptochias&cql=sn&csy=Square
Feeding and diet
Larvae probably feed on lichens