|A. a. aristolochiae|
West Bengal, India
Pachliopta aristolochiae, the common rose, is a swallowtail butterfly belonging to the genus Pachliopta, the roses, or red-bodied swallowtails. It is a common butterfly which is extensively distributed across south and southeast Asia.
It is widely distributed in Asia including Afghanistan, Pakistan, India (including the Andaman Islands), Nepal, Sri Lanka, Myanmar, Thailand, Japan (south-western Okinawa only), Laos, Vietnam, Cambodia, Nicobar Islands, peninsular and eastern Malaysia, Brunei, Philippines (Palawan and Leyte), Indonesia, Bangladesh and Taiwan.
In China, it is distributed in southern and eastern China (including Hainan, Guangdong province) and Hong Kong. In Indonesia, it is distributed in Sumatra, Nias, Enggano, Bangka, Java, Bali, Kangean, Lombok, Sumbawa, Sumba, Flores, Tanahjampea, and Kalimantan.
It is very common almost all over the plains of India, and is not threatened as a species. During and after the monsoon it is extremely abundant.
Forewing with well-marked pale adnervular streaks on the discal area that do not reach the terminal margin, the latter broadly velvety black; the streaks beyond end of cell extended inwards into its apex.
In dry-weather specimens these markings are very short and do not nearly reach the bases of the interspaces; beyond these a curved series of subterminal lunular markings in interspaces one to seven dull crimson irrorated with black scales, the spot in interspace one large, irregular, diffuse, margined interiorly with white.
On the underside of the males, the ground colour and markings is similar, but the red subterminal spots on the hindwing much brighter; it is not irrorated with black scales, better defined, the anterior four subquadrate, the next two crescent shaped, sometimes quadrate also, the spot in interspace one triangular and pointed. Antennae, thorax and abdomen above up to the pre-anal segment black; the head, sides of prothorax above, and of the whole of the thorax and abdomen beneath vermilion red; anal segment vermilion red.
Variety camorta, Moore (Nicobar Islands), differs from the typical form as follows:
- "The white spots of the hindwing small, only that between the lower median veins (veins 2 and 3) is clearly marked on the upperside
- the two others standing before and behind the upper median vein (vein 4) are sometimes entirely absent from the upperside, or when present are much suffused with black; below there is usually a spot within the apex of the cell." (Rothschild quoted in Bingham)
- P. a. aristolochiae Fabricius. India. Very common.
- P. a. sawi Evans. Car Nicobar. Not rare.
- P. a. camorta Moore. Central Nicobars. Not rare.
- P. a. goniopeltis Walter Rothschild. Andaman islands. Not rare. Also found in Myanmar.
- P. a. kondulana Evans. South Nicobars. Not rare.
The subspecies P. a. ceylonicus Moore is found in Sri Lanka and is very common.
An excellent generalist which has adapted to a range of habitats, the butterfly has been found in congregations at lower elevations. The common rose is found up to 2,400 metres (8,000 ft) in the Western Ghats and south Indian hills, up to 1,500 metres (5,000 ft) at the eastern end of the Himalayas but only up to 910 metres (3,000 ft) in the north-west Himalayas. The butterfly is a common visitor to Indian gardens and can even be found in crowded urban areas.
It is the commonest of the large-tailed butterflies of India.
The red body, slow peculiar flight, bright colouration and pattern of the wings are meant to indicate to predators that this butterfly is inedible, being well protected by the poisons it has sequestered from its larval food plant. It also emits a nasty smelling substance when handled to further enhance its unappealing qualities. Hence it is rarely attacked by predators, a strategy so successful, that edible butterflies have evolved to mimic it, the classic example being that of the female morph of the common Mormon that is Papilio polytes, female form stichius.
The common rose frequently visits flowers such as Lantana, Cosmos, Zinnia, Jatropha and Clerodendron. The butterfly occasionally also visits wet patches. In parts of Sri Lanka, the males are known to congregate and form a beautiful sight while mud-puddling.
The common rose is active much earlier in the morning than most butterflies and remains so throughout the day until dusk. It flies just as readily in the shade as in the sun, and frequently visits flowers.
In drier regions, around noon, the butterfly rests in thickets to avoid the mid-day heat. Here, it will rest and venture forth only in the late afternoon once again.
In the evenings, it retires into wooded areas or thickets in search of dead twigs or small branches on which to roost. It prefers sites that are 10 to 15 feet above ground, below the canopy in trees with sufficient cover from the elements, where it frequently roosts in the company of others of its type, and, sometimes, in the company of the crimson rose.
It flies high, slowly and often descends to nectar on flowers below. On such occasions it often dives down with its wings held back, and as it approaches the flower, the wings open up to provide deceleration. The butterfly primarily depends on motive thrust on the powerful flapping of its forewings while the hindwings act as a balancing and steering mechanism. This flying technique gives a rather unusual look to its flight and an observer is left with the impression that it is dragging itself through the air with only the assistance of its forewings.
The common rose is often the preferred species to show the amateur naturalist the utility of the tails in steering. This can be most easily observed when the common rose hovers over flowers to sip nectar. Then, its forewings beat readily to give it buoyancy while the tails move delicately to steer and adjust its position.
It has been considered in the past that these tails are primarily for deception as in the case of the Polyommatinae where the thread-like tails resemble antennae and confuse the attacker as to the location of the head. On occasions, roses have been observed with damaged tails and it is possible that the presence of swallowtails occasionally does favour the butterfly in confusing attackers.
The female has been observed inspecting Aristolochiaceae plants and selecting healthy plants with verdant growth to ensure adequacy of food for its voracious caterpillars. It lays round and reddish eggs with fine black markings. The eggs are laid singly on top, the underside of leaves or even on shoots.
The caterpillar is a velvety-maroon colour and has a white band on a segment on its middle reminiscent of a belt or collar. It has numerous fleshy red-tipped white protuberances on the body. It is bulky and slow in its movements.
The pupa is brownish with various shades of brown and pink markings. It is attached to its support by the tail and held at an angle by a body band. The support is usually a stick. The distinguishing feature of the common rose pupa is the presence of large semi-circular projections on the back of the abdomen, thorax and head.
The larvae feed on creepers and climbers of the genus Aristolochia, family Aristolochiaceae, and they sequester toxins such as aristolochic acid in their bodies. This makes the adults toxic to vertebrate predators such as birds and reptiles. However the braconid wasps which parasitise the caterpillars have apparently co-evolved with the butterfly and are not affected by the toxins. Larval food plants include:
- Aristolochia bracteolata
- Aristolochia indica
- Aristolochia tagala
- Aristolochiae griffithi
- Thottea siliquosa
- Häuser, Christoph L.; de Jong, Rienk; Lamas, Gerardo; Robbins, Robert K.; Smith, Campbell; Vane-Wright, Richard I. (28 July 2005). "Papilionidae – revised GloBIS/GART species checklist (2nd draft)". Entomological Data Information System. Staatliches Museum für Naturkunde Stuttgart, Germany. Retrieved 21 June 2013.
- Varshney, R.K.; Smetacek, Peter (2015). A Synoptic Catalogue of the Butterflies of India. New Delhi: Butterfly Research Centre, Bhimtal & Indinov Publishing, New Delhi. pp. 1–2. doi:10.13140/RG.2.1.3966.2164. ISBN 978-81-929826-4-9.
- Savela, Markku. "Atrophaneura aristolochiae (Fabricius, 1775)". Lepidoptera and Some Other Life Forms. Retrieved July 2, 2018.
- One or more of the preceding sentences incorporates text from a work now in the public domain: Bingham, C.T. (1907). The Fauna of British India, Including Ceylon and Burma. II (1st ed.). London: Taylor and Francis, Ltd. pp. 20–21.
- Moore, Frederic (1901–1903). Lepidoptera Indica. Vol. V. London: Lovell Reeve and Co. pp. 178–182.
- Cotton, Adam; Fric, Zdenek Faltynek; Smith, Colin & Smetacek, Peter (March 2013). "Subspecies Catalogue of the Butterflies of India (Papilionidae): A Synopsis". Bionotes. 15 (1): 5–8.
- Tian-Shung Wu, Yann-Lii Leu and Yu-Yi Chan (2000). Aristolochic Acids as a Defensive Substance for the Aristolochiaceous Plant-Feeding Swallowtail Butterfly, Pachliopta aristolochiae interpositus. Journal of the Chinese Chemical Society 47:221-226 
- Collins, N. Mark; Morris, Michael G. (1985). Threatened Swallowtail Butterflies of the World: The IUCN Red Data Book. Gland & Cambridge: IUCN. ISBN 978-2-88032-603-6 – via Biodiversity Heritage Library.
- Evans, W.H. (1932). The Identification of Indian Butterflies (2nd ed.). Mumbai, India: Bombay Natural History Society.
- Gaonkar, Harish (1996). Butterflies of the Western Ghats, India (including Sri Lanka) - A Biodiversity Assessment of a Threatened Mountain System. Bangalore, India: Centre for Ecological Sciences.
- Gay, Thomas; Kehimkar, Isaac David; Punetha, Jagdish Chandra (1992). Common Butterflies of India. Nature Guides. Bombay, India: World Wide Fund for Nature-India by Oxford University Press. ISBN 978-0195631647.
- Kunte, Krushnamegh (2000). Butterflies of Peninsular India. India, A Lifescape. Hyderabad, India: Universities Press. ISBN 978-8173713545.
- Munshi, G.H.; & Moiz, S.A. (1967). Host plant specificity of the black swallowtail butterfly. Polydorus aristolochiae (Papilionidae). Journal of the Lepidopterists' Society 21: 127-128 pdf
- Munshi, G.H.; & Moiz, S.A. (1968). The pupa of Polydorus aristolochiae (Papilionidae). Journal of the Lepidopterists' Society 22:115-118 pdf
- Munshi, G.H.; & Moiz, S.A. (1968). Some observations on and description of Polydorus aristolochiae (Papilionidae). Journal of the Lepidopterists' Society 22(3):183-185, 2 tbls pdf
- Munshi, G.H.; & Moiz, S.A. (1969). Detailed description of larva of Polydorus aristolochiae. Journal of the Lepidopterists' Society 23: 107-109 pdf
- Munshi, G.H.; & Moiz, S.A. (1970). Studies on the biology and seasonal history of Polydorus aristolochiae (Papilionidae). Journal of the Lepidopterists' Society 24:19-22, 4 tbls pdf
- Wynter-Blyth, Mark Alexander (1957). Butterflies of the Indian Region. Bombay, India: Bombay Natural History Society. ISBN 978-8170192329.
- Shihan, T.R. (2016). A Photographic Guide to the Butterflies of Bangladesh. Butterfly Reintroduction Farm, Chuadanga, Bangladesh, 165pp.
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