Studies on genitalia of four type species of subfamily ennominae (Lepidoptera: Geometridae)

Critical observations have been made on the structure of male and female genitalia of four type species, namely Anonychia grisea (Butler), Ctenognophos eolaria eolaria (Guenée), Heterostegane subtessellata (Walker) and Hydatocapnia marginata (Warren) belonging to the subfamily Ennominae under Geometridae of Lepidoptera. In addition, generic characters of the dealt with genera have also been documented.