Charaxes Pelias
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''Charaxes pelias'', the protea emperor or protea charaxes, is a
butterfly Butterflies are insects in the macrolepidopteran clade Rhopalocera from the Order (biology), order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The ...
of the family
Nymphalidae The Nymphalidae are the largest family of butterflies, with more than 6,000 species distributed throughout most of the world. Belonging to the superfamily Papilionoidea, they are usually medium-sized to large butterflies. Most species have a red ...
, and is
endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the Cape Provinces in
South Africa South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
.
Victor Gurney Logan Van Someren Victor Gurney Logan Van Someren (1886 in Melbourne – 24 July 1976) was a zoologist and entomologist. Van Someren was born in Australia. He attended George Watson's College and studied zoology at University of Edinburgh. He was also a dentist ...
, 1963 Revisional notes on African ''Charaxes'' (Lepidoptera: Nymphalidae). Part I. ''Bulletin of the British Museum'' (Natural History) (Entomology) 205-207

/ref>"''Charaxes'' Ochsenheimer, 1816"
at Markku Savela's ''Lepidoptera and Some Other Life Forms''


Description

The
wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...
is 60–70 mm in males and 65–75 mm in females. The hindwings each bear two tails, the upper tail considerably shorter than the lower. The hindwing typically exhibits four submarginal blue spots, increasing in size toward the anal angle. The forewing orange-yellow postdiscal band is separated into two from the costa to at least half-way down the wing. The underside mosaic pattern of jumbled blackish-brown bands with dark grey and grey-brown patches edged with silvery-white filigree, gives the underside a distinctly silvery grey impression. Seitz- ''Ch. pelias'' has almost the same markings as ''
Charaxes castor __NOTOC__ ''Charaxes castor'', the giant emperor or giant charaxes, is a butterfly of the family Nymphalidae. It is found throughout the Afrotropical realm below the Sahel. (eastern Kenya, northern and eastern Tanzania, Malawi, Mozambique, easte ...
'' , but is smaller and much lighter, the basal part of the upper surface being dark red-brown and the light-bordered markings of the under surface centred with grey; the discal band of the upper surface is orange-yellow and the orange-yellow marginal spots of the forewing are large and distinct. The discal band of the under surface is white and distally bordered on the fore wing by triangular orange-yellow spots, on the hindwing by deep red-brown ones; the ground-colour of the basal part beneath is red-brown. — ''pelias'' Cr.The black spots which adorn the discal band on the upperside of the forewing in cellules 2—7 are as large as, or larger than the triangular orange-yellow spots which they separate; the black marginal line of the hindwing very thick; on the underside of the hindwing the red-brown spots at the distal side of the white discal band are very small, much narrower than the band. Cape Colony, in the mountainous western parts. The larva probably on ''Protea grandiflora'', the "Wagenboom".In ''saturnus'' Btlr. ow_full_species_''Charaxes_saturnus''.html" ;"title="Charaxes_saturnus.html" ;"title="ow full species ''Charaxes saturnus">ow full species ''Charaxes saturnus''">Charaxes_saturnus.html" ;"title="ow full species ''Charaxes saturnus">ow full species ''Charaxes saturnus''the black spots in the discal band of the forewing are smaller than the orange-yellow spots which they border proximally; the black marginal line of the hindwing much thinner than in the type-form ; on the underside of the hindwing the red-brown spots are large and at least as broad as the band; the marginal spots on the upper surface are sometimes little larger than in the type-form, sometimes very large, From Natal to the Congo and British East Africa. — ab. ''laticinctus'' (''brunnescens'' Rothsch.) has the basal part of the upper surface brown-black, the discal band darker orange-yellow than in ''saturnus'' and the marginal spots small and brown. North Angola. Van Son - Superficially resembles ''
Charaxes saturnus ''Charaxes saturnus'', the foxy charaxes or koppie charaxes, is a butterfly that flies through most of the Savannah of the Eastern and Southern Afrotropical realm, and also occurs in suitable forest habitat locations including the forest belt of w ...
'' Butler, from which it differs in the following characters: smaller size; orange-yellow markings of upperside lighter; hindwing discal band broader posteriorly, not triangular, and extending to vein Cu2; forewing underside with orange markings much reduced, transverse red-brown markings of basal areas and spots of same colour beyond hindwing discal band much darker, and those in anal area obsolete; tails on hindwing much shorter; antenna/wing ratio higher; numerous differences in genitalia, early stages and larval food plants .


Biology

The habitat is
Fynbos Fynbos (; meaning fine plants) is a small belt of natural shrubland or heathland vegetation located in the Western Cape and Eastern Cape provinces of South Africa. This area is predominantly coastal and mountainous, with a Mediterranean clim ...
(Cape Macchia) in montane areas. It has successive broods from September to April. Notes on the biology of ''pelias'' are given by Pringle et al (1994) Pringle et al , 1994. ''Pennington’s Butterflies of Southern Africa'', 2nd edition


Related Species

Historical attempts to assemble a cluster of presumably related species into a "''Charaxes jasius'' Group" have not been wholly convincing. More recent taxonomic revision, corroborated by phylogenetic research, allow a more rational grouping congruent with cladistic relationships. Within a well-populated
clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
of 27 related species sharing a common ancestor approximately 16 mya during the
Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...
, 26 are now considered together as The ''jasius'' Group. One of the two lineages forms a robust clade of seven species sharing a common ancestor approximately 2-3 mya, i.e. during the
Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58"Out of Africa again: A phylogenetic hypothesis of the genus ''Charaxes (Lepidoptera: Nymphalidae)'' based on five gene regions"
Aduse-Poku, Vingerhoedt, Wahlberg. Molecular Phylogenetics and Evolution (2009) 53;463–478
and are considered as the ''jasius'' subgroup. The ''jasius'' Group (26 Species) Clade 1: ''jasius'' subgroup (7 species): *''
Charaxes jasius ''Charaxes jasius'', the two-tailed pasha, is a butterfly in the family Nymphalidae. It is the only European species of the genus ''Charaxes''. Divergence of the Mediterranean species ''C. jasius'' from the last common ancestor it shared with its ...
'' *''
Charaxes epijasius ''Charaxes epijasius'', the cream-bordered charaxes or Sahel charaxes, is a butterfly in the family Nymphalidae. It flies through most of the Savannah of the Afrotropical realm except southern Africa. Description ''Charaxes epijasius'' is a medi ...
'' tat.rev.2005ref name="Turlin 2005"/> *''
Charaxes legeri ''Charaxes legeri'', the St. Leger's charaxes, is a butterfly in the family Nymphalidae. It is found in southern Burkina Faso, northern Benin, northern Nigeria and southern Niger. The habitat consists of woodland savanna at altitudes between 600 ...
'' *''
Charaxes saturnus ''Charaxes saturnus'', the foxy charaxes or koppie charaxes, is a butterfly that flies through most of the Savannah of the Eastern and Southern Afrotropical realm, and also occurs in suitable forest habitat locations including the forest belt of w ...
'' tat.rev.2005ref name="Turlin 2005"/> *''Charaxes pelias'' *''
Charaxes castor __NOTOC__ ''Charaxes castor'', the giant emperor or giant charaxes, is a butterfly of the family Nymphalidae. It is found throughout the Afrotropical realm below the Sahel. (eastern Kenya, northern and eastern Tanzania, Malawi, Mozambique, easte ...
'' *''
Charaxes hansali __NOTOC__ ''Charaxes hansali'', the cream-banded charaxes, is a butterfly in the family Nymphalidae. It is found in Tanzania, Rwanda, Kenya, Uganda, Sudan, Ethiopia, Somalia, Saudi Arabia, Yemen and Oman. Description ''Ch. hansali'' Fldr. clos ...
'' Clade 2: contains the well-populated three additional subgroups (19 species) of the jasius Group, called the ''brutus'', ''pollux'', and ''eudoxus'' subgroups. Further exploration of the phylogenetic relationships amongst existing ''Charaxes'' taxa is required to improve clarity.


Natural History

Full description of the early stages, from egg-laying, larval instars, to pupal emergence, and the flight behaviour of ''C. pelias'', were described by C. G. C.Dickson (1949)Dickson, C.G.C. (1949). The life-history of Charaxes pelias pelias Cram. (Lepidoptera: Nymphalidae). J. Ent. Soc. S. Africa. Vol. XII. 30th September, 1949
pp.109-117
The
larvae A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The ...
feed on
Hypocalyptus sophoroides
', ''
Osyris compressa ''Osyris compressa'' (Cape sumach or ''pruimbos'') is a facultatively hemiparasitic, mainly South African plant of the sandalwood family, Santalaceae. Until recently, the favoured binomial name was ''Colpoon compressum'', but around 2001, the g ...
'', ''
Osyris lanceolata ''Osyris lanceolata'', also known as African sandalwood or Camwood, is used for its scented wood and to extract essential oil. The hemi-parasitic plant is found from South Africa to Zimbabwe and east Africa, including Tanzania, Kenya and Uganda ...
'', and ''
Rafnia ''Rafnia'' is a genus of flowering plants in the family Fabaceae. It belongs to the subfamily Faboideae The Faboideae are a subfamily of the flowering plant family Fabaceae or Leguminosae. An acceptable alternative name for the subfamily is P ...
'' species. The
imago In biology, the imago (Latin for "image") is the last stage an insect attains during its metamorphosis, its process of growth and development; it is also called the imaginal stage, the stage in which the insect attains maturity. It follows the f ...
flies from October to April.


References


External links


''Charaxes pelias'' images
at
Consortium for the Barcode of Life The Consortium for the Barcode of Life (CBOL) was an international initiative dedicated to supporting the development of DNA barcoding as a global standard for species identification. CBOL's Secretariat Office is hosted by the National Museum of ...
Butterflies described in 1775
pelias Pelias ( ; Ancient Greek: Πελίας) was king of Iolcus in Greek mythology. He was the one who sent Jason on the quest for the Golden Fleece. Family Pelias was the son of Tyro and Poseidon. His wife is recorded as either Anaxibia, daughter ...
Endemic butterflies of South Africa Taxa named by Pieter Cramer {{Charaxinae-stub