Tsitana Dicksoni
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Tsitana Dicksoni
''Tsitana dicksoni'', the Dickson's sylph, is a butterfly of the family Hesperiidae. It is found in South Africa where it is only known from the Franschhoek Pass and Klein Drakenstein Mountains in the Western Cape and Garcia's and Robinson Pass. The habitat consists of grassy spots in montane fynbos vegetation. The wingspan is 35–37 mm for males and 40–42 mm for females. Adults are on wing from November to December. There is one generation per year. The larvae possibly feed on ''Pseudopentameris macrantha ''Pseudopentameris'' is a genus of South African plants in the grass family, found only in Western Cape Province The Western Cape ( ; , ) is a province of South Africa, situated on the south-western coast of the country. It is the fourth l ...''. References Butterflies described in 1955 Heteropterinae Butterflies of Africa Taxa named by William Harry Evans {{Hesperiidae-stub ...
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William Harry Evans
Brigadier William Harry Evans (born 22 July 1876 in Shillong – died 13 November 1956, Church Whitfield ) was a lepidopterist and British Army officer who served in India. He documented the butterfly fauna of India, Burma and Ceylon in a series of articles in the ''Journal of the Bombay Natural History Society''. Brigadier Evans was especially interested in the taxonomy (biology), taxonomy and systematics of the butterfly families Lycaenidae and Hesperiidae an example being his ''A revision of the Arhopala group of Oriental Lycaenidae (Lepidoptera: Rhopalocera)'' ''Bull. British Mus. (Nat. Hist.)'', Ent., vol. 5: pp. 85–141 (1957). Life and work Evans was the third son of Sir Horace Moule Evans and Elizabeth Anne, daughter of Surgeon General J. T. Tressider. His mother kindled an interest in nature and, when he was sent to King's School, Canterbury, he was already interested in butterfly, butterflies and moths. He joined the army at the age of 18 and was posted wit ...
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Butterfly
Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossils have been dated to the Paleocene, about 56 million years ago, though molecular evidence suggests that they likely originated in the Cretaceous. Butterflies have a four-stage life cycle, and like other holometabolous insects they undergo complete metamorphosis. Winged adults lay eggs on the food plant on which their larvae, known as caterpillars, will feed. The caterpillars grow, sometimes very rapidly, and when fully developed, pupate in a chrysalis. When metamorphosis is complete, the pupal skin splits, the adult insect climbs out, expands its wings to dry, and flies off. Some butterflies, especially in the tropics, have several generations in a year, while others have a single generation, and a few in cold locations may take s ...
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Hesperiidae
Skippers are a group of butterflies placed in the family Hesperiidae within the order Lepidoptera (moths and butterflies). They were previously placed in a separate superfamily, Hesperioidea, but have since been placed in the superfamily Papilionoidea (the butterflies). They are named for their quick, darting flight habits. Most have their antenna tips modified into narrow, hook-like projections. Moreover, skippers mostly lack wing-coupling structure available in most moths. More than 3500 species of skippers are recognized, and they occur worldwide, but with the greatest diversity in the Neotropical regions of Central and South America.Ackery et al. (1999) Description and systematics Traditionally, the Hesperiidae were placed in a monotypic superfamily Hesperioidea, because they are morphologically distinct from other Rhopalocera (butterflies), which mostly belong to the typical butterfly superfamily Papilionoidea. The third and rather small butterfly superfamily is the moth ...
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South Africa
South Africa, officially the Republic of South Africa (RSA), is the Southern Africa, southernmost country in Africa. Its Provinces of South Africa, nine provinces are bounded to the south by of coastline that stretches along the Atlantic Ocean, South Atlantic and Indian Ocean; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; to the east and northeast by Mozambique and Eswatini; and it encloses Lesotho. Covering an area of , the country has Demographics of South Africa, a population of over 64 million people. Pretoria is the administrative capital, while Cape Town, as the seat of Parliament of South Africa, Parliament, is the legislative capital, and Bloemfontein is regarded as the judicial capital. The largest, most populous city is Johannesburg, followed by Cape Town and Durban. Cradle of Humankind, Archaeological findings suggest that various hominid species existed in South Africa about 2.5 million years ago, and modern humans inhabited the ...
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Franschhoek Pass
Franschhoek Pass is located in the Western Cape, Province of South Africa on the regional road R45 between Franschhoek and Villiersdorp. The entrance to the Mont Rochelle Nature Reserve is located on this pass. History At time of Jan van Riebeeck's settlement of the Cape in 1652, elephants were known to use a track seasonally to across the mountains and hence was called ''Olifantspad''. That track was a few kilometres southwest of the current pass and was still being used by horse riders and cattle herders in the early 1800s. In 1819 a crude road was constructed over the mountain by S.J. Cats for the Stellenbosch Landdrost. It didn't last and is now a hiking path. Governor of the Cape Colony, Lord Charles Somerset, in 1823 decided to build a new pass. Constructed by Major Holloway using troops of the Royal African Corps The Royal African Corps was an infantry unit in the British Army officially established on 25 April 1804. As Fraser’s Corps of Infantry, it had been earlier ...
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Drakenstein
The Drakenstein mountain is a mountain range in the Western Cape province of South Africa. It lies opposite Simonsberg Mountain and is part of the Cape Fold Belt. It is named after ex-soldier Hendrik Adriaan van Rheede tot Drakenstein, who was Colonial administrator of the Dutch East India Company. History Both the mountain and the valley at its foot Groot Drakenstein were named in honour of Hendrik who visited the Cape as Commissioner-General in 1685; Drakenstein (modern spelling usually Drakestein) was the name of his estate in the Netherlands.Cf. The mountain is opposite Simonsberg named after the first governor of the Cape Simon van Der Stel.Internet. Geography They actually comprise two separate ranges, the Klein Drakenstein and Groot Drakenstein Mountains. The former located just to the east of Paarl being punctuated by the Huguenot Tunnel on the N1 highway and Du Toitskloof Pass () as the R101 route. The latter is much taller and is located south of Franschhoe ...
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Fynbos
Fynbos (; , ) is a small belt of natural shrubland or heathland vegetation located in the Western Cape and Eastern Cape provinces of South Africa. The area is predominantly coastal and mountainous, with a Mediterranean climate. The fynbos ecoregion is within the Mediterranean forests, woodlands, and scrub biome. In fields related to biogeography, fynbos is known for its exceptional degree of biodiversity and endemism, consisting of about 80% (8,500 fynbos) species of the Cape floral kingdom, where nearly 6,000 of them are endemic. The area continues to face severe human-caused threats, but due to the many economic uses of the fynbos, conservation efforts are being made to help restore it. Origin of the term The word '' fynbos'' is often taken literally to mean ''fine bush'', as in Afrikaans '' bos'' means '' bush'', whereas in this instance ''bush'' refers to the type of vegetation. Typical fynbos foliage is ericoid rather than ''fine''. The term in its pre-Afrikaans, ...
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Wingspan
The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of , the official record for a living bird. The term wingspan, more technically 'extent' , is also used for other winged animals such as pterosaurs, bats, insects, etc., and other aircraft such as ornithopters. In humans, the term wingspan also refers to the arm span, which is the distance between the length from the end of an individual's arm (measured at the fingertips) to the individual's fingertips on the other arm when raised parallel to the ground at shoulder height. Wingspan of aircraft The wingspan of an aircraft is always measured in a straight line, from wingtip to wingtip, regardless of wing shape or sweep. Implications for aircraft design and animal evolution The lift from wings is proportional to their area, so the h ...
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Pseudopentameris Macrantha
''Pseudopentameris'' is a genus of South African plants in the grass family, found only in Western Cape Province The Western Cape ( ; , ) is a province of South Africa, situated on the south-western coast of the country. It is the fourth largest of the nine provinces with an area of , and the third most populous, with an estimated 7 million inhabi .... ; SpeciesGermishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria * '' Pseudopentameris brachyphylla'' (Stapf) Conert * '' Pseudopentameris caespitosa'' N.P. Barker * '' Pseudopentameris macrantha'' (Schrad.) Conert * '' Pseudopentameris obtusifolia'' (Hochst.) N.P. Barker References Danthonioideae Endemic flora of the Cape Provinces Grasses of South Africa Poaceae genera {{Poaceae-stub ...
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Butterflies Described In 1955
Butterflies are winged insects from the lepidopteran Superfamily (taxonomy), superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossils have been dated to the Paleocene, about 56 million years ago, though molecular evidence suggests that they likely originated in the Cretaceous. Butterflies have a four-stage Biological life cycle, life cycle, and like other Holometabola, holometabolous insects they undergo Holometabolism, complete metamorphosis. Winged adults lay eggs on the food plant on which their larvae, known as caterpillars, will feed. The caterpillars grow, sometimes very rapidly, and when fully developed, pupate in a chrysalis. When metamorphosis is complete, the pupal skin splits, the adult insect climbs out, expands its wings to dry, and flies off. Some butterflies, especially in the tropics, have several generations in a year, while othe ...
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