Papilio xuthus (Asian Swallowtail, Japanischer Schwalbenschwanz, Machaon asiatique)
Papilio xuthus, also called Asian Swallowtail or Japanischer Schwalbenschwanz is a well-known butterfly from the . The first description was in 1767 by Linnaeus. With a wingspan of 8.0 – 10.0 cm the Asian Swallowtail is a small member of the family PAPILIONIDAE. The butterfly is yellow and black. Hind wings have tails.
Photos for easy identification
The forewings are black. At the margin there is a chain of little yellow spots. There is a chain of big yellow spots in the middle of the wing. On the wing leading edge there are three yellow spots. In the big black zone nearby the body there are some yellow strips.
The underside is a copy of upside, but there are some differences. All yellow areas are broader than upside. Therefore the chain of yellow spots at the margin is change to two yellow bands.
The hind wings are black and have tails. From the body to the middle of wing there is a big yellow area. This area is split by black viens. Next to the yellow area there is a chain of blck spots. At the margin there is a chain of yellow spots. In back there is a red eye with blue eyeshadow and black core.
The underside is a copy of upside, but there are some differences. All yellow areas are broader than upside. Three of the yellow spots have also orangs scals. In the middle of the chain of blue spots there are two orange spots.
The body is yellow with a small black strip on side and the upside is black.
Sex differences: The female has more blue and orange scales than the male.
The flight period of the Asian Swallowtail is from May to August.
Rutaceae (Phelloderldron amurensis, Poncirus trifoliata)
The first description of this butterfly was in 1767 by Linnaeus. There are two subspecies.
- Papilio xuthus koxingus [Fruhstorfer, 1908]
- Papilio xuthus neoxuthus [Fruhstorfer]
The small caterpillar is white and brown and imitate excrement of birds. The big caterpillar is lightgreen with brown spots.
Here you can see the female of Asian Swallowtail.
Protection provisions / Red List
- CITES: (Convention on International Trade in Endangered Species of Wild Fauna and Flora):
-no entry- (as at 23.06.2005)
- EU regulation on trading with species of wild Fauna and Flora
-no entry- (as at 19.08.2005)
- IUCN Red List of threatened species:
-no entry- (as at 2004) (see: www.redlist.org/)
Similar and closely-related species
Papilio xuthus Linnaeus 1767
Asian swallowtai, Chinese yellow swallowtail, Citrus Swallowtail
Classification / Taxonomy / Family tree
- Kingdom: ANIMALIA
- Phylum: ARTHROPODA
- Class: INSECTA
- Order: LEPIDOPTERA
- Suborder: DITRYSIA
- Superfamily: PAPILIONOIDEA
- Family: PAPILIONIDAE
- Subfamily: PAPILIONINAE
- Tribe: PAPILIONINI
- Genus: PAPILIO
- Specific name: XUTHUS