Papilio constantinus, the Constantine's swallowtail, is a butterfly of the family Papilionidae. It is found in Sub-Saharan Africa. The wingspan is 70–90 mm in males and 80–95 mm in females. The ground colour is black with pale yellow or white markings including a large yellow spot in the cell. Its flight period is during the warmer months peaking from November to February. The larvae feed on Vepris Reflexi, Vepris lanceolata, Vepris undulata, Clausena species, Citrus species, Teclea trifoliatum, Teclea nobilis, and Teclea gerrardii. Taxonomy Papilio constantinus is a member of the dardanus species group. The members of the clade are: Papilio dardanus Brown, 1776 Papilio constantinus Ward, 1871 Papilio delalandei Godart, [1824] Papilio phorcas Cramer, [1775] Papilio rex Oberthür, 1886 Subspecies Listed alphabetically: Papilio constantinus constantinus Ward, 1871 (south-eastern Ethiopia, southern Somalia, coast of Kenya, Tanzania, Malawi, southern and north-eastern Zambia, Mozambique, Zimbabwe, eastern Botswana, South Africa, Eswatini) Papilio constantinus lecerfi Koçak, 1996 (Kenya: central highlands and the Mau Escarpment) Papilio constantinus mweruanus Joicey & Talbot, 1927 (Democratic Republic of the Congo, western Tanzania, Zambia) Biogeographic realm Afrotropical realm. References 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) External links Butterflycorner Images from Naturhistorisches Museum Wien Butterflies described in 1871 constantinus Butterflies of Africa Taxa named by Christopher Ward (entomologist)