Apollo (butterfly)

Apollo (butterfly)
Apollo
Conservation status
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Papilionidae
Genus: Parnassius
Species: P. apollo
Binomial name
Parnassius apollo
(Linnaeus, 1758)

The Apollo or Mountain Apollo (Parnassius apollo), is a butterfly of the Papilionidae family.

Contents

Distribution and status

It is found on mountains in Europe usually above 1,000 metres (3,300 ft) up to 2,000 m (6,600 ft), preferring flowery meadows and mountain pastures. This species is of interest to entomologists due to the variety of subspecies, often only restricted to a specific valley in the Alps.

The beautiful Apollo butterfly has long been prized by collectors, who aim to possess as many of the variants as possible. While over-collecting is believed to have caused populations to decline in some areas, such as in Spain and Italy, habitat change is thought to be a far more significant threat to this species’ survival.[1] Plantations of conifers, the succession of suitable habitat to scrubland, agriculture, and urbanization have all reduced the habitat of the Apollo butterfly. Climate change and acid rain have also been implicated in this species decline in Fennoscandia. In addition, motor vehicles have been cited as a cause of Apollo butterfly mortalities; vehicles on a motorway system near Bozen in South Tyrol, Italy, are said to have nearly wiped out a race of the Apollo.[1]

In Finland, the Apollo was one of the first species of insects declared endangered. The Apollo population in Finland and Sweden decreased drastically during the 1950s. The reason for this is not known, but it is commonly thought to be because of a disease. In Sweden, it is now restricted to areas that have limestone in the ground, suggesting that the decrease could hypothetically be related to acid rain.[2]

The Apollo is on the IUCN Red List of Threatened Animals,[3] in Appendix II in CITES and is mentioned in annex IV of Habitats Directive. It is protected in other states: the Principality of Liechtenstein, Czech Republic (as critically threatened species in Czech code, Decree for implementation, No. 395/1992 Sb., and No. 175/2006 Sb.), Turkey and Poland.

Conservation

Laws exist to protect the Apollo butterfly in many countries, and it is also listed on Appendix II on the Convention on International Trade in Endangered Species (CITES), which restricts trade in this species.[1][4] However, these laws focus on the protection of individuals, rather than their habitat, and so may do little to mitigate the greatest threat that populations face.[1] Fortunately, there are a number of projects specifically working to save this Vulnerable insect. A conservation programme in Pieniny National Park saved a subspecies of the Apollo butterfly that had declined to just 20 individuals in the early 1990s, through a combination of captive breeding and habitat protection.[5] In south-west Germany, conservationists are working with shepherds to ensure favourable conditions for the butterfly, which share their grassland habitat with sheep. For example, grazing periods have been shifted to avoid the Apollo butterfly larvae stage, which is vulnerable to being trampled.[6]

Description and ecology

Parnassius apollo

It is white with two red, black-edged "eye marks" on its wings. The Apollo butterfly (Parnassius apollo) is a beautiful white butterfly, decorated with large black "eye" spots on the forewings and red eye-spots on the hindwings.[7] These striking red eye-spots can vary in size and form depending on the location of the Apollo butterfly, and the bright red colour often fades in the sun, causing the eye-spots of older individuals to appear more orange.[1] The wings are shiny, with slightly transparent edges,[4] and some individuals are darker (melanistic); a general phenomenon common in many butterflies. The caterpillars of this species are velvety black with orange-red spots along the sides.[7] As well as being a great deal of individual variation in the appearance of the Apollo butterfly, a number of subspecies have also been described.[8]

Adult Apollo butterflies are seen on the wing in mid-summer,[4] feeding on nectar produced by flowers.[9] The females lay eggs, which over-winter and hatch in spring the following year.[1] The resulting caterpillars feed on stonecrop (Sedum species) and houseleek (Sempervivum species).[7] When the caterpillar is fully-grown it will pupate on the ground, forming a loose cocoon from which the adult butterfly emerges following metamorphosis.[4]

Related species can be found all over the world. The "Small Apollo" (Parnassius phoebus) is found in the high mountains while the Clouded Apollo (Parnassius mnemosyne) lives in the valleys. The Apollo caterpillar lives on larkspur and rock plants and is a velvety blue-black with small orange spots.

References

This article incorporates text from the ARKive fact-file "Apollo butterfly" under the Creative Commons Attribution-ShareAlike 3.0 Unported License and the GFDL.

  1. ^ a b c d e f Collins, N.M. and Morris, M.G. (1985) Threatened Swallowtail Butterflies of the World. IUCN, Gland, Switzerland and Cambridge, UK.
  2. ^ Lars-Åke Janzon (February 7, 2009). "Mer om apollofjäril" (in Swedish). Naturhistoriska riksmuseet. http://www.nrm.se/utstallningarcosmonova/jourhavandeforskare/jourhavandebiolog/insekter/apollofjaril.4.18fc9baff6275048180002991.html. 
  3. ^ "Parnassius apollo". IUCN Red List of Threatened Species. Version 2009.2. International Union for Conservation of Nature. 1996. http://www.iucnredlist.org/apps/redlist/details/16249. Retrieved May 11, 2006. 
  4. ^ a b c d Still, J. (1996) Butterflies and Moths of Britain and Europe. Harper Collins, London.
  5. ^ Witkowsky, Z., Budzik, J. and Kosior, A. (1992) Restoration of the Apollo butterfly in Pieniny National Park. Chrońmy Przyrodę Ojczystą, 1992: 3-4.
  6. ^ Dolek, M. and Geyer, A. (2002) Conserving biodiversity on calcareous grasslands in the Franconian Jura by grazing: a comprehensive approach. Biological Conservation, 104: 351-360.
  7. ^ a b c Carter, D. (2000) Butterflies and Moths. Dorling Kindersley, London.
  8. ^ Smart, P. (1975) The Illustrated Encyclopedia of the Butterfly World. Hamlyn Publishing Group Ltd, London.
  9. ^ Fred, M.S., O’Hara, R.B. and Brommer, J.E. (2006) Consequences of the spatial configuration of resources for the distribution and dynamics of the endangered Parnassius apollo butterfly. Biological Conservation, 130: 183-192.
  • Parnassius gallery, including many subspecies of Parnassius apollo
  • Xavier Mérit and Véronique Mérit: Les Parnassius de France, textes de Xavier Mérit-Véronique Mérit et Henri Descimon, cartes de répartition, planches, et photos en nature de Luc Manil, Xavier Mérit et Bernard Turlin, bibliographies, Bulletin des Lépidoptéristes parisiens, Volume 15 (2006), n°33 (numéro thématique), Paris, septembre 2006 (56 pages).
  • Pierre Capdeville, 1978–1980, Les races géographiques de Parnassius apollo, 191 p - 26 tables - maps - 24 plates in colours, Sciences Nat, Venette.
  • Jean-Claude Weiss : The Parnassiinae of the World, Pt. 4, 2005, Hillside Books, Canterbury. [1]

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