A new species of the genus Holomenopon Eichler (Phthirpatera: Amblycera: Menoponidae) has been described on the Common Duck, Anas platyrhynchos (L.), with special reference to its chaetotaxy and male, female genitalia. It has been compared with its closest species, H. leucoxanthum (Burmeister), on the same host. It is the first record of this genus from Karachi, Pakistan. The prevalence of the new species has been discussed, which is 4.8-37.3% and 9.2-35.9% in male and female ducks, respectively,. The intensity of infestation has also been recorded, that is 27.9-88.2% in two different localities of Karachi, Pakistan. The holotype and paratype are deposited in Natural History Museum, Department of Zoology, University of Karachi, Karachi, Pakistan.