Reference
Fritz S. Lukoschus, Alexander Fain, Ivo W.J.M. Rothuizen (1977): Eupygopus, a new Genus with Descriptions of three Species of Hypopi from American Marsupials (Glycyphagidae : Sarcoptiformes : Acarina) – Entomologische Mitteilungen aus dem Zoologischen Museum Hamburg – 6: 13 - 22.