Systematics Viette (1949) initially presented this group as a distinct subgenus principally on the characteristics of the male genitalia that show the two member species to be clearly distinct from the other genera. Viette (1951) later raised the taxonomic rank to genus, but without additional justification. Given the distinctiveness of the genitalia Hampsoniella was reinstated as a separate genus by Mielke & Grehan (2012), but the generic monophyly remains to be confirmed because the genitalia of the two species are structurally different with respect to the valves, the pseudoteguminal structures, and the vinculum.
Habitat Probably forest
Biology Larvae are probably callus feeding stem borers of trees or shrubs.
References Grehan, J.R. & Mielke, 2012. Catalogue of the Latin American Hepialidae with taxonomic remarks (Lepidoptera). Nachricten des Entomologischen Veriens Apollo, N. F. 32: 131–158. Viette, P. 1949. Contribution a l'étude des Hepialidae (11e note) sur quelques espècies sud-Américines. Annales Societe Entomologique de France 116, 73-83. Viette, P. 1951. Contribution a l'étude des Hepialidae (Lépid.) (24e note). Bulletin Mensuel de la Societe Linneenne 20, 95-96.