In 1966 Jack Dumbleton wrote the first overall revision of the Hepialidae for New Zealand (that was only updated almost 30 years later by John Dugdale (1994).
References Dumbleton, L.J. 1966.Genitalia, classification and zoogeography of the New Zealand Hepialidae (Lepidoptera). New Zealand Journal of Science 9, 920-81. Lowe, A.D. & Ramsey, G.W. 1977.Lionel Jack Dumbleton: 1905-1976. New Zealand Entomologist 6, 208-212.