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Dietrich Von Schlechtendal
Dietrich Herrman Reinhard von Schlechtendal (20 October 1834 – 5 July 1916) was a German entomologist who worked on Cynipidae. Born in Halle, Saxony-Anhalt, Schlechtendal trained as a mining expert and metallurgist and worked for many years as an assistant at the ''Geologisch-Mineralogischen Institut'' in Halle. His Botany, botanical knowledge led to study of Cynipidae, gall wasps. Working on the North American species ''Neuroterus quercus-batatus'' (Fitch) in a laboratory, he bred from the parthenogenetic females the bi-sexual form. This species was then introduced onto Quercus cerris, Turkey oaks in the Halle Botanic Garden. Up to then, the trees had been sterile for decades, but they went on to produce fertile seeds.Hüsing (1966) Many species of Cynipidae were described by Schlechtendal or their generation sequence was clarified. His collection of Cynipidae with their galls is shared by the Museum für Naturkunde in Berlin and the Zoological Institute of the University of H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dietrich Von Schlechtendal
Dietrich Herrman Reinhard von Schlechtendal (20 October 1834 – 5 July 1916) was a German entomologist who worked on Cynipidae. Born in Halle, Saxony-Anhalt, Schlechtendal trained as a mining expert and metallurgist and worked for many years as an assistant at the ''Geologisch-Mineralogischen Institut'' in Halle. His Botany, botanical knowledge led to study of Cynipidae, gall wasps. Working on the North American species ''Neuroterus quercus-batatus'' (Fitch) in a laboratory, he bred from the parthenogenetic females the bi-sexual form. This species was then introduced onto Quercus cerris, Turkey oaks in the Halle Botanic Garden. Up to then, the trees had been sterile for decades, but they went on to produce fertile seeds.Hüsing (1966) Many species of Cynipidae were described by Schlechtendal or their generation sequence was clarified. His collection of Cynipidae with their galls is shared by the Museum für Naturkunde in Berlin and the Zoological Institute of the University of H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Halle-Wittenberg
Martin Luther University of Halle-Wittenberg (german: Martin-Luther-Universität Halle-Wittenberg), also referred to as MLU, is a public, research-oriented university in the cities of Halle and Wittenberg and the largest and oldest university in the German state of Saxony-Anhalt. MLU offers German and international (English) courses leading to academic degrees such as BA, BSc, MA, MSc, doctoral degrees, and Habilitation. The university was created in 1817 through the merger of the University of Wittenberg (founded in 1502) and the University of Halle (founded in 1694). MLU is named after Protestant reformer Martin Luther, who was a professor in Wittenberg. Today, the university campus is located in Halle, while ''Leucorea Foundation'' in Wittenberg serves as MLU's convention centre. Both Halle and Wittenberg are about one hour from Berlin via the Berlin–Halle railway, which offers Intercity-Express (ICE) trains. History University of Wittenberg (''Universität Wittenbe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1916 Deaths
Events Below, the events of the First World War have the "WWI" prefix. January * January 1 – The British Royal Army Medical Corps carries out the first successful blood transfusion, using blood that had been stored and cooled. * January 9 – WWI: Gallipoli Campaign: The last British troops are evacuated from Gallipoli, as the Ottoman Empire prevails over a joint British and French operation to capture Constantinople. * January 10 – WWI: Erzurum Offensive: Russia defeats the Ottoman Empire. * January 12 – The Gilbert and Ellice Islands Colony, part of the British Empire, is established in present-day Tuvalu and Kiribati. * January 13 – WWI: Battle of Wadi: Ottoman Empire forces defeat the British, during the Mesopotamian campaign in modern-day Iraq. * January 29 – WWI: Paris is bombed by German zeppelins. * January 31 – WWI: An attack is planned on Verdun, France. February * February 9 – 6.00 p.m. – Tristan Tz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
1834 Births
Events January–March * January – The Wilmington and Raleigh Railroad is chartered in Wilmington, North Carolina. * January 1 – Zollverein (Germany): Customs charges are abolished at borders within its member states. * January 3 – The government of Mexico imprisons Stephen F. Austin in Mexico City. * February 13 – Robert Owen organizes the Grand National Consolidated Trades Union in the United Kingdom. * March 6 – York, Upper Canada, is incorporated as Toronto. * March 11 – The United States Survey of the Coast is transferred to the Department of the Navy. * March 14 – John Herschel discovers the open cluster of stars now known as NGC 3603, observing from the Cape of Good Hope. * March 28 – Andrew Jackson is censured by the United States Congress (expunged in 1837). April–June * April 10 – The LaLaurie mansion in New Orleans burns, and Madame Marie Delphine LaLaurie flees to France. * April 14 – The Whig Party is officially named by Unit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stettin Entomological Society
The Entomological Society of Stettin (german: Entomologischer Verein zu Stettin) or Stettin Entomological Society, based in Stettin (Szczecin), was one of the leading entomological societies of the 19th century. Most German entomologists were members, as were many from England, Sweden, Italy, France, and Spain. The society had very large collections and a very comprehensive library. This first German entomological society was formed in 1839. Following the death at age 39 of its first and short-lived president, Dr. Wilhelm Ludwig Ewald Schmidt, Carl August Dohrn (1806-1892), a lifelong resident of the then Prussian town of Stettin, became its second president. He was elected at an anniversary meeting on 5 November 1843. Having acted as secretary of the society for the previous four years, he continued in this role, and that of president, for the next forty. Under Dohrn's presidency the society became as important as the entomological societies of London and Paris. As in these countr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Entomological Society Of Halle
Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arachnids, myriapods, and crustaceans. This wider meaning may still be encountered in informal use. Like several of the other fields that are categorized within zoology, entomology is a taxon-based category; any form of scientific study in which there is a focus on insect-related inquiries is, by definition, entomology. Entomology therefore overlaps with a cross-section of topics as diverse as molecular genetics, behavior, neuroscience, biomechanics, biochemistry, systematics, physiology, developmental biology, ecology, morphology, and paleontology. Over 1.3 million insect species have been described, more than two-thirds of all known species. Some insect species date back to around 400 million years ago. They have many kinds of inte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lepidoptera
Lepidoptera ( ) is an order (biology), order of insects that includes butterfly, butterflies and moths (both are called lepidopterans). About 180,000 species of the Lepidoptera are described, in 126 Family (biology), families and 46 Taxonomic rank, superfamilies, 10 percent of the total described species of living organisms. It is one of the most widespread and widely recognizable insect orders in the world. The Lepidoptera show many variations of the basic body structure that have evolved to gain advantages in lifestyle and distribution. Recent estimates suggest the order may have more species than earlier thought, and is among the four most wikt:speciose, speciose orders, along with the Hymenoptera, fly, Diptera, and beetle, Coleoptera. Lepidopteran species are characterized by more than three derived features. The most apparent is the presence of scale (anatomy), scales that cover the torso, bodies, wings, and a proboscis. The scales are modified, flattened "hairs", and give ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blattidae
Blattidae is a cockroach family in the order Blattodea containing several of the most common household cockroaches. Some notable species include: * ''Blatta orientalis'': Oriental cockroach, * Common shining cockroach: (''Drymaplaneta communis'') * Florida woods cockroach: (''Eurycotis floridana'') * ''Periplaneta'' spp: American cockroach, Australian cockroach, Brown cockroach, Smokybrown cockroach * ''Shelfordella'' spp: Turkestan cockroach * Botany Bay cockroach: ('' Polyzosteria limbata'') Subfamilies and genera Archiblattinae Auth. Kirby, 1904; distribution: SE Asia * '' Archiblatta'' Snellen van Vollenhoven, 1862 * '' Catara'' Walker, 1868 * '' Protagonista'' Latreille, 1810 Blattinae Auth. Latreille, 1810; distribution: Worldwide; synonym Duchailluiinae Roth, 2003 * '' Afrostylopyga'' Anisyutkin, 2014 * '' Apterisca'' Princis, 1963 * '' Blatta'' Linnaeus, 1758 * '' Brinckella'' Princis, 1963 * '' Cartoblatta'' Shelford, 1910 * ''Celatoblatta'' Johns, 1966 * ''Deropel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Museum Für Naturkunde
The Natural History Museum (german: Museum für Naturkunde) is a natural history museum located in Berlin, Germany. It exhibits a vast range of specimens from various segments of natural history and in such domain it is one of three major museums in Germany alongside ''Naturmuseum Senckenberg'' in Frankfurt and ''Museum Koenig'' in Bonn. The museum houses more than 30 million zoological, paleontological, and mineralogical specimens, including more than ten thousand type specimens. It is famous for two exhibits: the largest mounted dinosaur in the world (a ''Giraffatitan'' skeleton), and a well-preserved specimen of the earliest known bird, ''Archaeopteryx''. The museum's mineral collections date back to the Prussian Academy of Sciences of 1700. Important historic zoological specimens include those recovered by the German deep-sea Valdiva expedition (1898–99), the German Southpolar Expedition (1901–03), and the German Sunda Expedition (1929–31). Expeditions to fossil beds ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Entomologist
Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arachnids, myriapods, and crustaceans. This wider meaning may still be encountered in informal use. Like several of the other fields that are categorized within zoology, entomology is a taxon-based category; any form of scientific study in which there is a focus on insect-related inquiries is, by definition, entomology. Entomology therefore overlaps with a cross-section of topics as diverse as molecular genetics, behavior, neuroscience, biomechanics, biochemistry, systematics, physiology, developmental biology, ecology, morphology, and paleontology. Over 1.3 million insect species have been described, more than two-thirds of all known species. Some insect species date back to around 400 million years ago. They have many kinds of intera ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quercus Cerris
''Quercus cerris'', the Turkey oak or Austrian oak, is an oak native to south-eastern Europe and Asia Minor. It is the type species of ''Quercus'' sect. ''Cerris'', a section of the genus characterised by shoot buds surrounded by soft bristles, bristle-tipped leaf lobes, and acorns that usually mature in 18 months. Description ''Quercus cerris'' is a large deciduous tree growing to tall with a trunk up to in diameter. The bark is dark gray and deeply furrowed. On mature trees, the bark fissures are often streaked orange near the base of the trunk. The glossy leaves are long and 3–5 cm wide, with 6–12 triangular lobes on each side; the regularity of the lobing varies greatly, with some trees having very regular lobes, others much less regular. The flowers are wind-pollinated catkins, maturing about 18 months after pollination; the fruit is a large acorn, long and 2 cm broad, bicoloured with an orange basal half grading to a green-brown tip; the acorn cup ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Parthenogenetic
Parthenogenesis (; from the Greek grc, παρθένος, translit=parthénos, lit=virgin, label=none + grc, γένεσις, translit=génesis, lit=creation, label=none) is a natural form of asexual reproduction in which growth and development of embryos occur in a gamete (egg or sperm) without combining with another gamete (e.g., egg and sperm fusing). In animals, parthenogenesis means development of an embryo from an unfertilized egg cell. In plants, parthenogenesis is a component process of apomixis. In algae, parthenogenesis can mean the development of an embryo from either an individual sperm or an individual egg. Parthenogenesis occurs naturally in some plants, algae, invertebrate animal species (including nematodes, some tardigrades, water fleas, some scorpions, aphids, some mites, some bees, some Phasmatodea and parasitic wasps) and a few vertebrates (such as some fish, amphibians, reptiles and birds). This type of reproduction has been induced artificially in a few spe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
