Graphium porthaon, the coastal swordtail, cream-striped swordtail or dark swordtail, is a species of butterfly in the family Papilionidae, found in tropical western Africa.[2][3]
The wingspan is 55–60 mm in males and 60–65 mm in females. External images from Royal Museum of Central Africa.The species has continuous broods during warmer months.[3]
The larvae feed on Artabotrys monteiroae, Annona, Uvaria, Friesodielsia obovata, Cleistochlamys kirkii, Monodora junodii, Monanthotaxis caffra, Uvaria caffra, and Uvaria kirkii.[2][3]
^Hewitson, W.C. in [1865] in Hewitson,W.C. [1862-6]. Illustrations of new species of exotic butterflies 3: 4 [124 pp.]. London.
^ abGraphium, funet.fi
^ abcWoodhall, Steve (2005). Field Guide to Butterflies of South Africa. Cape Town, South Africa: Struik. ISBN 978-1-86872-724-7.
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