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Acraea Oncaea
''Acraea oncaea'', the window acraea, is a butterfly of the family Nymphalidae. It is found in KwaZulu-Natal, Transvaal, Zimbabwe, Mozambique, from eastern Africa to Abyssinia and in Congo. Description left, 200px, Male and female in Seitz (1925) The wingspan is for males and for females. ''A. oncaea'' Hpff. (55 e) is distinguished at once by the fine black submarginal longitudinal streaks in cellules 3 to 5 (to 6) of the fore wing; the discal dot in 6 is usually wanting on the fore wing. male – the forewing is thinly scaled, with dull orange-yellow ground-colour, at the base not darkened, and at the apex only black for a breadth of 2 mm.; discal dots usually small and punctiform, arranged exactly as in caecilia. Hindwing more densely scaled than the fore wing and above more reddish; its marginal band very narrow but more distinctly spotted. In the female the wings have the ground-colour above dark grey and the fore wing has a broad white subapical band from the costal ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carl Heinrich Hopffer
Carl Heinrich Hopffer (1810–1876) was a German entomologist who specialised in Lepidoptera. Hopffer was a curator (Custos) at the Museum für Naturkunde in Berlin. He described many new species mainly in the following works. *''Neue Schmetterlinge der Insekten-Sammlung des Konigl. Zoologischen Musei der Universitat zu Berlin'' with Johann Christoph Friedrich Klug Johann Christoph Friedrich Klug (5 May 1775, in Berlin – 3 February 1856, in Berlin), was a German entomologist. He described the butterflies and some other insects of Upper Egypt and Arabia in Christian Gottfried Ehrenberg and Wilhelm Friedr ... (1836) *Lepidoptera Diurna. In Hr Peters legte von sie nem Reisewerke uber Mossambique… Diagnosen Coleopteren und Lepidopteren. ''Berichte uber die zur Bekanntmachung geeigneten Verhandlungen der Konigl. Preuss. Akademie der Wissenschaften zu Berlin'' 1855:639-643 (1855) *''Naturwissenschaftliche Reise nach Mossambique, auf befehl Seiner Majestat des konigs Friedrich ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xylotheca Kraussiana
''Xylotheca kraussiana'' is an African shrub or small multi-stemmed tree growing in the sandveld and widely distributed throughout the eastern parts of Southern Africa, in particular the eastern Transvaal, coastal Natal and Mozambique, preferring the sandy soils of coastal bush and forest. 'Xylotheca' meaning 'woody case' and the species name honouring Dr C.F.F. Krauss (1812-1890), a German naturalist, who later became director of Stuttgart's Natural History Museum. Krauss came to the Cape in 1838, collected in Natal from 1839 to 1840. About 8 other species of ''Xylotheca'' are to be found in central Africa and Madagascar. Leaves are dull grey-green, alternate and covered in soft grey hairs. Flowers are white with a dense central cluster of yellow anthers and resembling a small white rose. The fruit is an ovoid woody capsule about long and distinctly ridged. Yellow when ripe, it partly splits into 5 sections revealing black seeds with a bright red aril. The pulp around the seeds ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Butterflies Described In 1855
Butterflies are insects in the macrolepidopteran clade Rhopalocera from the order Lepidoptera, which also includes moths. Adult butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. The group comprises the large superfamily Papilionoidea, which contains at least one former group, the skippers (formerly the superfamily "Hesperioidea"), and the most recent analyses suggest it also contains the moth-butterflies (formerly the superfamily "Hedyloidea"). Butterfly fossils date to the Paleocene, about 56 million years ago. Butterflies have a four-stage life cycle, as like most 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, and after its wings have expanded and dried, it flie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 Natural History, Smithsonian Institution, in Washington, DC. Barcoding was proposed in 2003 by Prof. Paul Hebert of the University of Guelph in Ontario as a way of distinguishing and identifying species with a short standardized gene sequence. Hebert proposed the 658 bases of the Folmer region of the mitochondrial gene cytochrome-C oxidase-1 as the standard barcode region. Hebert is the Director of the Biodiversity Institute of Ontario, the Canadian Centre for DNA Barcoding, and the International Barcode of Life Project (iBOL), all headquartered at the University of Guelph. The Barcode of Life Data Systems (BOLD) is also located at the University of Guelph. CBOL was created in May 2004 with support of the Alfred P. Sloan Foundation, f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acraea (butterfly)
''Acraea'' is a genus of brush-footed butterflies (family Nymphalidae) of the subfamily Heliconiinae. It seems to be highly paraphyletic and has long been used as a "wastebin taxon" to unite about 220 species of anatomically conservative Acraeini. Some phylogenetic studies show that the genus ''Acraea'' is monophyletic if ''Bematistes'' and Neotropical ''Actinote'' are included (see Pierre & Bernaud, 2009). Most species assembled here are restricted to the Afrotropical realm, but some are found in India, Southeast Asia, and Australia.Silva-Brandão et al. (2008) Biology The eggs are laid in masses; the larvae are rather short, of almost equal thickness throughout, and possessing branched spines on each segment, young larvae group together on a protecting mass of silk; the pupa is slender, with a long abdomen, rather wide and angulated about the insertion of the wings, and suspended by the tail only. '' A. horta'', '' A. cabira'', and '' A. terpsicore'' illustrate typical life ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acraea Caecilia
''Acraea caecilia'', the pink acraea, is a butterfly in the family Nymphalidae. It is found in Senegal, Gambia, Guinea-Bissau, Guinea, Mali, Sierra Leone, Liberia, Ivory Coast, Burkina Faso, Ghana, Togo, Benin, Nigeria, Chad, Sudan, the Democratic Republic of the Congo, Ethiopia, Uganda, Kenya, Tanzania and Malawi. Description ''A. caecilia'' F. is similar to the preceding species, ''Acraea natalica'' but on an average smaller (expanse 56 to 70 mm.) and differs in having the discal dots in cellules 4 to 6 of the forewing smaller, rounder and further removed from the apex of the cell; the forewing has 2 to 4 submarginal dots (in lb to 4). Ground-colour above light reddish yellow to salmon-colour; base of both wings and apex of the fore wing black for the same extent as in ''natalica'' ; hindwing above always with sharply defined black marginal band about 2 mm. in breadth, not or indistinctly spotted; under surface as in ''natalica'', but the red spots on the hindwing indistinct. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adenia
''Adenia'' is a genus of flowering plants in the passionflower family, Passifloraceae. It is distributed in the Old World tropics and subtropics.''Adenia''. Flora of China. The centers of diversity are in , eastern and western tropical , and . The genus name ''Adenia'' comes from "aden", ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Passifloraceae
The Passifloraceae are a family of flowering plants, containing about 750 species classified in around 27 genera. They include trees, shrubs, lianas, and climbing plants, and are mostly found in tropical regions. The family takes its name from the passion flower genus (''Passiflora'') which includes the edible passion fruit (''Passiflora edulis''), as well as garden plants such as maypop and running pop. ''Passiflora'' vines and ''Dryas iulia'' (among other heliconian butterflies) have demonstrated evidence of coevolution, in which the plants attempted to stop their destruction from larval feeding by the butterflies, while the butterflies tried to gain better survival for their eggs. The former Cronquist system of classification placed this family in the order Violales, but under more modern classifications systems such as that proposed by the Angiosperm Phylogeny Group, this is absorbed into the Malpighiales and the family has been expanded to include the former Malesherbiac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 , 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 distance between the length from one end of an individual's arms (measured at the fingertips) to the other when raised parallel to the ground at shoulder height at a 90º angle. Former professional basketball player Manute Bol stood at and owned one of the largest wingspans at . Wingspan of aircraft The wingspan of an aircraft is always measured in a straight line, from wingtip to wingtip, independently of wing shape or sweep. Implications for aircraft design and anima ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 group comprises the large superfamily (zoology), superfamily Papilionoidea, which contains at least one former group, the skippers (formerly the superfamily "Hesperioidea"), and the most recent analyses suggest it also contains the moth-butterflies (formerly the superfamily "Hedyloidea"). Butterfly fossils date to the Paleocene, about 56 million years ago. Butterflies have a four-stage life cycle, as like most 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 o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Congo Basin
The Congo Basin (french: Bassin du Congo) is the sedimentary basin of the Congo River. The Congo Basin is located in Central Africa, in a region known as west equatorial Africa. The Congo Basin region is sometimes known simply as the Congo. It contains some of the largest tropical rainforests in the world and is an important source of water used in agriculture and energy generation. The rainforest in the Congo Basin is the largest rainforest in Africa and second only to the Amazon rainforest in size, with 300 million hectares compared to the 800 million hectares in the Amazon. Because of its size and diversity, many experts have characterized the basin's forest as important for mitigating climate change because of its role as a carbon sink. However, deforestation and degradation of the ecology by the impacts of climate change may increase stress on the forest ecosystem, in turn making the hydrology of the basin more variable. A 2012 study found that the variability in precipita ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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