Papilio ascalaphus, the black phoenix or Ascalaphus swallowtail, is a butterfly of the family Papilionidae. It is found in Indonesia and the Philippines.

Ascalaphus swallowtail
Male
P. a. ascalaphus, North Gorontalo
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Papilionidae
Genus: Papilio
Species:
P. ascalaphus
Binomial name
Papilio ascalaphus
Boisduval, 1836
Synonyms
  • Menelaides ascalaphus

The wingspan is 140–160 mm.

The larvae feed on Citrus species.

Subspecies

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  • Papilio ascalaphus ascalaphus (Sulawesi) - Sulawesi Blue Mormon
  • Papilio ascalaphus munascalaphus (Muna Island)
  • Papilio ascalaphus ascalon (Sula Island)
     
    Sulawesi Blue Mormon from Tomohon, Sulawesi
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