''Hemigraphiphora'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

s of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family (biology), family of moths. Taxonomically, they are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly ...

. It is here provisionally treated as separate from ''

Xestia ''Xestia'' is a genus of noctuid moths (family (biology), family Noctuidae). They are the type genus of the tribe (biology), tribe Xestiini in subfamily Noctuinae, though some authors merge this tribe with the Noctuini. Species in this genus are ...

'', though it seems closely related. Containing only the single species ''H. plebeia'', its closest living relatives are not resolved and thus the genus' eventual fate depends on how ''Xestia'' is treated.

References

Natural History Museum Lepidoptera genus database
Noctuinae Moths of North America Monotypic moth genera {{Noctuinae-stub