Distribution Scattered records from northern India/Nepal,southern China, Taiwan, and northern Borneo (Ueda, 1988).
Systematics Monophyly not yet substantiated. Hepialiscus be closely allied with Parahepialiscus, Xhoaphryx, and Napialus(Ueda, 1988). These genera share the oxycanine pattern of wing venation and the prescence of a subanal sclerite (JRG personal observation for Napialus) which also occurs in some Oxycanus, suggesting a possible broader relationship among these genera (Grehan, 1011).
Habitat Not known
Biology Larvae recorded as feeding on roots, although no details are known (Hampson, 1892).
References Grehan, J.R. 2011.Notes on the biogeography of eastern Asian ghost moths (Lepidoptera: Hepialidae). Bulletin of the Buffalo Society of Natural Sciences 40, 59-74. Hampson, G.F. 1892.The Fauna of British India: Moths vol 1. Taylor & Francis, London. Mielke, C. & J.R. Grehan. 2016. A new species of Hepialiscus Hampson,  (Lepidoptera, Hepialidae). The European Entomologist 8:133-151. Ueda, K. 1988. New species of the genus Hepialiscus Hampson (Lepidoptera: Hepialidae) from Tawan. Bulletin of the Kitakyushu Museum of Natural History 8, 39-54.
Distribution records of Hepialiscus in Taiwan based on Ueda (1988) and information kindly provided by Li-Cheng Shih.
Hepialiscus htayaungi Mielke & Grehan, 2016 Myanmar Holotype: Universidade Federal do Paraná Flight: November Morphology/habitat page