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A Comprehensive Guide to the Chinese Peacock (Papilio bianor)

The Chinese Peacock butterfly flies in eastern Asia, incuding China, Japan, and the countries of southeast Asia. Its host plants include members of the Citrus, Zanthoxylum, and Skimmia genera. The Chinese peacock flies in forests and wooded areas, but can be attracted to gardens and urbans with the presence of its host plants.

Taxonomy and Naming of the Chinese Peacock (Papilio bianor)

Chinese peacock (Papilio bianor) on a thistle (Cirsium spp.).
Chinese Peacock (Papilio bianor) — Alpsdake, CC0, via Wikimedia Commons

Taxonomy

This butterfly was named and described by Pieter Cramer, a Dutch Entomologist, in 1777. It is a member of the family Papilionidae and is in the subfamily Papilioninae.

Meaning of the Scientific and Common Names

Scientific Name

The genus name, Papilio, is Latin for butterfly. The species name, bianor, may come from the Greek words for strength (bia) and man (aner) (behindthename). Bianor was also a centaur in Greek mythology (Wikipedia).

Common Name

The common name derives from the resemblance of this butterfly to a peacock. Another common name is common peacock.

Physical Description

Adult chinese peacock (Papilio bianor) on ground.
Papilio bianor Cramer, 1777 observed in Bhutan by CheongWeei Gan (licensed under CC BY 4.0).

Description

  • Color: Black with iridescent aqua (green scales) and red coloration.
  • Wingspan: 4 cm (1.5 in) to 12 cm (5 in). The summer brood tends to be larger than the spring (Leech 1892). Females are larger than the males.
  • Active Flying Time: Adults are active between March (in the south) to October.

Life Cycle of this butterfly

Green egg of chinese peacock (Papilio bianor) on leaf.
Egg of Chinese Peacock (Papilio bianor) — Thamblyok, CC BY-SA 4.0, via Wikimedia Commons
Caterpillar of chinese peacock (Papilio bianor) on leaf.
Green Caterpillar (Papilio bianor) — I, Jörg Hempel, CC BY-SA 2.0 DE, via Wikimedia Commons
Brown pupa of chinese peacock (Papilio bianor).
Chrysalis of Chinese Peacock (Papilio bianor) — Harald Süpfle, CC BY-SA 2.5, via Wikimedia Commons

Eggs

The eggs of this butterfly are green and are laid on the underside of the host plant.

Larvae

The larvae, or caterpillars, is green with white stripes.

In the north, two broods can be produced, while in the south there are often three in a season.

Range of the Chinese Peacock in Asia

Range map of chinese peacock (Papilio bianor) in Asia.

These butterflies are native to south-central and eastern Asia.

Habitat

Hilly evergreen broadleaf forest in China.
Evergreen Forest in China — Lingqiao Kong, Fei Lu, Enming Rao, Zhiyun Ouyang, CC BY 4.0, via Wikimedia Commons

This butterfly flies in forested areas where its host plants grow.

Host Plants

Plant of kumquat (Citrus japonica) with an orange fruit.
Kumquat — Citrus japonica Thunb. observed in Hong Kong by Toby Y (licensed under CC BY 4.0)

The host plants of this butterfly are many and include:

  • Citrus genus
  • Zanthoxylum genus
  • Rhus typhina (Perveen and Sikander 2014)
  • Euodia hupensis (Perveen and Sikander 2014)
  • Orixa japonica (Perveen and Sikander 2014)
  • Phellodendron amurense (Perveen and Sikander 2014)
  • Poncrius trifoliata (Perveen and Sikander 2014)

Nectar Plants

White flower of cotton rosemallow (Hibiscus mutabilis).
Flower of Cotton Rosemallow (Hibiscus mutabilis) — Siu Kuin Wong, Public domain, via Wikimedia Commons

Nectar plants for this species include Pei-lan (Eupatorium fortunei), lesser bouganvillea (Bougainvillea glabra), and cotton rosemallow (Hibiscus mutabilis) (Hu 2009).

Frequently Asked Questions about the Chinese Peacock

Are the male and females of this butterfly different?

The male of the species has a black velvety hair or like dark brown fur (Kershaw 1905) on the forewing, which the female lacks. The female does have a red spot on the hindwings. Otherwise the sexes are similar.

What other butterflies look like this one?

This species is in the Bianor group and is most similar to the common peacock (Papilio polyctor), which is in the same group. They differ in that P. bianor has no green band on the edge of the wing, whereas P. polyctor does have this green band (Bingham 1907).

Where can I get more information on this butterfly?

Interesting facts about this butterfly?

This species is recognized as the state butterfly of Uttarakhand in India.

References

  • Bingham, C.T. 1907. Butterflies, Vol. I-II. (Calcutta and Simla: Taylor and Francis).
  • Hu, Shaoji. 2009. Preliminary field survey of butterflies on Xishan Hill (Kunming, Yunnan Province, China). Journal of Research on the Lepidoptera 41: 60-69.
  • Kershaw, John C.W. 1905. Butterflies of Hong Kong. (Hong Kong: Kelly & Walsh).
  • Leech, John Henry. 1892. Butterflies from China, Japan, and Corea. (London: R.H. Porter).
  • Perveen, Farzana, and Anzela Khan Sikander. 2014. Characteristics of butterfly (Lepidoptera) fauna from Kabal, Swat, Pakistan. Journal and Entomology and Zoology Studies 2(1): 56-69.

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