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Polyrhachis Gracilior
''Polyrhachis gracilior'' is a species of ant found in the southwest and northeast India. It is one of the few ants that build arboreal nests made of leaves stitched together using silk produced by their larvae. Originally described as a "race" of ''Polyrhachis furcata'', it was elevated to a full species by Charles Thomas Bingham, C T Bingham who noted differences in the shape of the spines. A species described from Travancore as ''weberi'' by Horace Donisthorpe in 1943, was identified as being identical to ''gracilior'' by Barry Bolton. File:PolyrhachisGraciliorWithPupa.jpg, With a larva File:PolyrhachisGraciliorNest.jpg, Nest between leaves References External links * Formicinae Insects described in 1893 Hymenoptera of Asia {{formicinae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auguste-Henri Forel
Auguste-Henri Forel (1 September 1848 – 27 July 1931) was a Swiss myrmecologist, neuroanatomist, psychiatrist and eugenicist, notable for his investigations into the structure of the human brain and that of ants. For example, he is considered a co-founder of the neuron theory. Forel is also known for his early contributions to sexology and psychology. From 1978 until 2000 Forel's image appeared on the 1000 Swiss franc banknote. Biography Born in villa ''La Gracieuse'', Morges, Switzerland, to Victor Forel a pious Swiss Calvinist and Pauline Morin, a French Huguenot he was brought up under a protective household. At the age of seven he began to take an interest in insects. He went to school at Morges and Lausanne before joining the medical school at Zurich. Forel had a diverse and mixed career as a thinker on many subjects. At Zurich he was inspired by the work of Bernhard von Gudden (1824-1886). In 1871 he went to Vienna and studied under Theodor Meynert (1833-1892) but was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polyrhachis Furcata
''Polyrhachis'' is a genus of formicine ants found in the Old World with over 600 species. The genus is yet to be comprehensively resolved and contains many varied species including nest-weavers (e.g. ''Polyrhachis dives''), swimming workers (e.g. ''Polyrhachis sokolova''), soil (e.g. ''Polyrhachis proxima'') and tree-dwellers (e.g. ''Polyrhachis bicolor''). General morphology Size: Workers range in size approx 5-10mm in length. Eyes developed, no ocelli. Antennae have 12-segments. Antennal insertions situated far from posterior margin of clypeus. Mesosoma of most species have spines on one or more of its pronotal, mesonotal or propodeal components. Petiole armed with spines or teeth. First gastral tergite well developed, longer in dorsal view than exposed parts of the following terga together. Opening at gastral apex for release of venom lacking a radial fringe of hairs. Ecology ''Polyrhachis'' species include an array of nesting types ranging from terrestrial, soil based nest ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Charles Thomas Bingham
Charles Thomas Bingham (16 April 1848, India – 18 October 1908 West Kensington, London) was an Irish military officer and entomologist. Bingham was born in India of an old Irish family, and he was educated in Ireland.Kirby, W.F , 1909 Obituary correction ''Entomologists monthly magazine'' 45:36 His military career began in India where he was a soldier in the Bombay Staff Corps and later with the Bengal Staff Corps. At first interested in ornithology he took up entomology from 1877 following a posting to Burma where he was also conservator of forests. On his retirement in 1894 he settled with his wife and two sons (his three daughters married in India) in London. Here he worked, unpaid, in the Insect Room of the Natural History Museum, organising and cataloguing the world collection of aculeate Hymenoptera. He took over from William Thomas Blanford the editorship of two of the Hymenoptera volumes of ''The Fauna of British India, Including Ceylon and Burma'' series and two of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Horace Donisthorpe
Horace St. John Kelly Donisthorpe (17 March 1870 – 22 April 1951) was an eccentric United Kingdom, British myrmecologist and coleopterist, memorable in part for his enthusiastic championing of the renaming of the genus ''Lasius'' after him as ''Donisthorpea'', and for his many claims of discovering new species of beetles and ants. Biography Educated at Mill Hill House, Leicester, and Oakham School, Donisthorpe went to Heidelberg University to read medicine. However, his "too sensitive nature" forced him to give up this career. Being possessed of a private income, from about 1890 he devoted his life to the study of beetles and ants, publishing more than three hundred papers on ants alone. Derek Wragge Morley says in his obituary of Donisthorpe in ''Nature (journal), Nature'', that he related a story of how, when a young man, he had swum across the Rhine at Heidelberg, "a feat which, so it was said, no one had achieved before". Probably the best known of his collecting grounds ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barry Bolton
Barry Bolton is an English myrmecologist, an expert on the classification, systematics, and taxonomy of ants, who long worked at the Natural History Museum, London. He is known especially for monographs on African and Asian ants, and for encyclopaedic global works, including the ''Identification Guide to Ant Genera'' (1994), ''A New General Catalogue of Ants of the World'' (1995, updated in 2007), ''Synopsis and Classification of Formicidae'' (2003), and ''Bolton's Catalogue of Ants of the World: 1758-2005'' (2007). Now retired, Bolton is a Fellow of the Royal Entomological Society and Myrmecologist, Biodiversity Division, Department of Entomology, Natural History Museum, London. Recognition At least 21 species of ants are named in Bolton's honour: * '' Anochetus boltoni'' * '' Anomalomyrma boltoni'' * '' Cataulacus boltoni'' * '' Chimaeridris boltoni'' * '' Cryptomyrmex boltoni'' * '' Daceton boltoni'' * '' Leptanilla boltoni'' * '' Loweriella boltoni'' * '' Meranoplus bolto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Formicinae
The Formicinae are a subfamily within the Formicidae containing ants of moderate evolutionary development. Formicines retain some primitive features, such as the presence of cocoons around pupae, the presence of ocelli in workers, and little tendency toward reduction of palp or antennal segmentation in most species, except subterranean groups. Extreme modification of mandibles is rare, except in the genera ''Myrmoteras'' and ''Polyergus''. However, some members show considerable evolutionary advancement in behaviors such as slave-making and symbiosis with root-feeding hemipterans. Finally, all formicines have very reduced stings and enlarged venom reservoirs, with the venom gland, specialized (uniquely among ants) for the production of formic acid. All members of the Formicinae "have a one-segmented petiole in the form of a vertical scale". Identification Formicine ants have a single node-like or scale-like petiole (postpetiole entirely lacking) and the apex of the abdom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Insects Described In 1893
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Their blood is not totally contained in vessels; some circulates in an open cavity known as the haemocoel. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at between six and ten million; In: potentially over 90% of the animal life forms on Earth are insects. Insects may be found in nearly all environments, although only a small number of species reside in the oceans, which are dominated by another arthropod group, crustaceans, which recent research has indicated insects are nested within. Nearly all insects hatch from eggs. Insect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
