Papilio hornimani

• Papilio hornimani hornimani (Kenya, Tanzania)
• Papilio hornimani mwanihanae Kielland, 1987 (Tanzania)
• Papilio hornimani mbulu Kielland, 1990 (Tanzania)

The ground colour is black. The markings are metallic blue. The blue band does not reach the hind wing margin in area 1b.

Papilio hornimani belongs to a clade called the nireus species group with 15 members. The pattern is black with green bands and spots and the butterflies, although called swallowtails lack tails with the exception of Papilio charopus and Papilio hornimani. The clade members are:

• Papilio aristophontes Oberthür, 1897
• Papilio nireus Linnaeus, 1758
• Papilio charopus Westwood, 1843
• Papilio chitondensis de Sousa & Fernandes, 1966
• Papilio chrapkowskii Suffert, 1904
• Papilio chrapkowskoides Storace, 1952
• Papilio desmondi van Someren, 1939
• Papilio hornimani Distant, 1879
• Papilio interjectana Vane-Wright, 1995
• Papilio manlius Fabricius, 1798
• Papilio microps Storace, 1951
• Papilio sosia Rothschild & Jordan, 1903
• Papilio thuraui Karsch, 1900
• Papilio ufipa Carcasson, 1961
• Papilio wilsoni Rothschild, 1926

They are named for Frederick John Horniman.

• Carcasson, R.H. (1960). "The Swallowtail Butterflies of East Africa (Lepidoptera, Papilionidae)". Journal of the East Africa Natural History Society pdf Key to East Africa members of the species group, diagnostic and other notes and figures. (Permission to host granted by The East Africa Natural History Society)
• Collins, N. Mark; Morris, Michael G. (1985). Threatened Swallowtail Butterflies of the World: The IUCN Red Data Book. Gland & Cambridge: IUCN. ISBN 978-2-88032-603-6 – via Biodiversity Heritage Library.