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Terellia Tussilaginis
''Terellia tussilaginis'', the gall fly, is a species of tephritid or fruit flies in the family Tephritidae. Distribution This species is present in most of Europe, in European Russia and in the East Palearctic ecozone. Habitat These flies inhabit meadows, gardens and where the host plants grow. Description ''Terellia tussilaginis'' can reach a body length of about . These fruit flies have a pale green yellow body with distinctive brown banding on its wings. The costal cell is completely hyaline. Katepisternum shows reddish spots. The anterior half of mesonotum is reddish to brown. Tergite 4 is usually black. Biology Adults can be seen from June to August. The larvae live in the flowerheads of ''Arctium lappa'', ''Arctium minus'', ''Arctium tomentosum'' and ''Cirsium vulgare ''Cirsium vulgare'', the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus ''Cirsium'', native throughout most of Europe (north to 66°N, locally 68°N), Western As ...
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Johan Christian Fabricius
Johan Christian Fabricius (7 January 1745 – 3 March 1808) was a Danish zoology, zoologist, specialising in "Insecta", which at that time included all arthropods: insects, arachnids, crustaceans and others. He was a student of Carl Linnaeus, and is considered one of the most important entomologists of the 18th century, having named nearly 10,000 species of animals, and established the basis for the modern insect Biological classification, classification. Biography Johan Christian Fabricius was born on 7 January 1745 at Tønder in the Duchy of Schleswig, where his father was a doctor. He studied at the gymnasium (school), gymnasium at Altona, Hamburg, Altona and entered the University of Copenhagen in 1762. Later the same year he travelled together with his friend and relative Johan Zoëga to Uppsala University, Uppsala, where he studied under Carl Linnaeus for two years. On his return, he started work on his , which was finally published in 1775. Throughout this time, he remaine ...
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Carl Wilhelm Cederhielm
Carl Wilhelm Cederhielm (17051769) was a ''Freiherr (; male, abbreviated as ), (; his wife, abbreviated as , literally "free lord" or "free lady") and (, his unmarried daughters and maiden aunts) are designations used as titles of nobility in the German-speaking areas of the Holy Roman Empire ...'' and Chamberlain (''kammarherre'') in Sweden. His father was the royal adviser (''riksråd'') Josias Cederhielm, and his mother was Anna Åkerhielm. Cederhielm is perhaps best remembered today as a founding member of the Royal Swedish Academy of Sciences, which was founded 1739.Vetenskapsakademin
in ''Nordisk familjebok'' (2nd edition, 1921)


References

Swedish nobility
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Jean-Baptiste Robineau-Desvoidy
André Jean Baptiste Robineau-Desvoidy (1 January 1799 in Saint-Sauveur-en-Puisaye – 25 June 1857 in Paris) was a French physician and entomologist specialising in the study of Diptera (flies) and to some extent of the Coleoptera (beetles). Achievements Because he worked on difficult to identify flies (specifically the Schizophora), the existing descriptions of which were poor, and because he had few contacts, many of the new species he described were already named. Also he was over reliant on colour and pattern as characters, and this led to his improperly defining species. He also worked on too many species. Much later criticism ensued but it must be remembered that he was an early worker and, in the aftermath of the Napoleonic Wars, French scientists were unduly criticised for nationalistic reasons. Very many of his generic and species names survive. In all these respects, as well as his genuine love of entomology and boundless enthusiasm, Robineau-Desvoidy is remi ...
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Franz Von Paula Schrank
Franz von Paula Schrank (21 August 1747, in Vornbach – 22 December 1835) was a German priest, botanist and entomologist. He was ordained as a priest in Vienna in 1784, gaining his doctorate in theology two years later. In 1786 he was named chair of mathematics and physics at the lyceum in Amberg, and in 1784 became a professor of botany and zoology at the University of Ingolstadt (later removed to Landshut).Franz Paula von Schrank
at Catholic Encyclopedia Schrank was the first director of the botanical gardens in from 1809 to 1832. Schrank was the first author to use the name ''

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Tephritidae
The Tephritidae are one of two fly families referred to as fruit flies, the other family being the Drosophilidae. The family Tephritidae does not include the biological model organisms of the genus ''Drosophila ''Drosophila'' () is a genus of flies, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or (less frequently) pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many s ...'' (in the family Drosophilidae), which is often called the "common fruit fly". Nearly 5,000 described species of tephritid fruit fly are categorized in almost 500 genera of the Tephritidae. Description, Genus, recategorization, and DNA sequencing, genetic analyses are constantly changing the taxonomy of this family. To distinguish them from the Drosophilidae, the Tephritidae are sometimes called peacock flies, in reference to their elaborate and colorful markings. The name comes from the Greek τεφρος, ''tephros'', ...
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Tephritidae - Terellia Tussillaginis
The Tephritidae are one of two fly families referred to as fruit flies, the other family being the Drosophilidae. The family Tephritidae does not include the biological model organisms of the genus ''Drosophila'' (in the family Drosophilidae), which is often called the "common fruit fly". Nearly 5,000 described species of tephritid fruit fly are categorized in almost 500 genera of the Tephritidae. Description, recategorization, and genetic analyses are constantly changing the taxonomy of this family. To distinguish them from the Drosophilidae, the Tephritidae are sometimes called peacock flies, in reference to their elaborate and colorful markings. The name comes from the Greek τεφρος, ''tephros'', meaning "ash grey". They are found in all the biogeographic realms. Description For terms see Morphology of Diptera anTephritidae glossary Tephritids are small to medium-sized (2.5–10 mm) flies that are often colourful, and usually with pictured wings, the subcostal vei ...
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Arctium Lappa
''Arctium lappa'', commonly called greater burdock, , edible burdock, lappa, beggar's buttons, thorny burr, or happy major is a Eurasian species of plants in the family Asteraceae, cultivated in gardens for its root used as a vegetable. It has become an invasive weed of high-nitrogen soils in North America, Australia, and other regions. Description Greater burdock is a biennial plant, rather tall, reaching as much as . It has large, alternating, wavy-edged cordiform leaves that have a long petiole and are pubescent on the underside. The flowers are purple and grouped in globular capitula, united in clusters. They appear in mid-summer, from July to September. The capitula are surrounded by an involucre made out of many bracts, each curving to form a hook, allowing the mature fruits to be carried long distances on the fur of animals. The fruits are achenes; they are long, compressed, with short pappus hairs. These are a potential hazard for humans, horses, and dogs. Th ...
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Arctium Minus
''Arctium minus'', commonly known as lesser burdock, little burdock, louse-bur, common burdock, button-bur, cuckoo-button, or wild rhubarb, is a biennial plant. This plant is native to Europe, but has become introduced elsewhere such as Australia, North and South America, and other places. Lesser burdock produces purple flowers in its second year of growth, from July to October. Outer bracts end in hooks that are like Velcro. After the flower head dries, the hooked bracts will attach to humans and animals to transport the entire seedhead. Characteristics ''Arctium minus'' can grow up to tall and form multiple branches. It is large and bushy. Flowers are prickly and pink to lavender in color. Flower heads are about wide. The plant flowers from July through October. The flowers resemble and can be easily mistaken for thistles, but burdock can be distinguished by its extremely large (up to 50 cm) leaves and its hooked bracts In botany, a bract is a modified or specializ ...
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Arctium Tomentosum
''Arctium tomentosum'', commonly known as the woolly burdock or downy burdock, is a species of burdock belonging to the family Asteraceae. The species was described by Philip Miller in 1768. Distribution This species is native to Eurasia from Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = '' Plus ultra'' ( Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , ... to Xinjiang Province in western China. It is also naturalized in other parts of the world such as North America. Description ''Arctium tomentosum'' is a biennial herbaceous plant. The stem is erect, with ascending branches. It can reach a height of about . Leaves are grayish white and quite felted, green and glabrous toward the stem. Basal leaves are petiolate. Leaf blade is heart-shaped, with rather denticulater margins. They can reach a length of and a width of . Flowers are pur ...
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Cirsium Vulgare
''Cirsium vulgare'', the spear thistle, bull thistle, or common thistle, is a species of the Asteraceae genus ''Cirsium'', native throughout most of Europe (north to 66°N, locally 68°N), Western Asia (east to the Yenisei Valley), and northwestern Africa (Atlas Mountains).''Flora Europaea''''Cirsium vulgare''/ref> It is also naturalised in North America, Africa, and Australia and is an invasive weed in some areas. It is the national flower of Scotland. The plant provides a great deal of nectar for pollinators. It was rated in the top 10 for most nectar production (nectar per unit cover per year) in a UK plants survey conducted by the AgriLand project which is supported by the UK Insect Pollinators Initiative. Marsh thistle, '' Cirsium palustre'', was ranked in first place while this thistle was ranked in sixth place. It also was a top producer of nectar sugar in another study in Britain, ranked third with a production per floral unit of (2300 ± 400 μg). Description It is ...
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Royal Entomological Society Handbooks
''Handbooks for the Identification of British Insects'' is a series of books produced by the Royal Entomological Society (RES). The aim of the Handbooks is to provide illustrated identification keys to the insects of Britain, together with concise morphological, biological and distributional information. The series also includes several Check Lists of British Insects. All books contain line drawings, with the most recent volumes including colour photographs. In recent years, new volumes in the series have been published by Field Studies Council, and benefit from association with the AIDGAP identification guides and Synopses of the British Fauna. Full list of titles Vol : 1 - Small Orders Vol : 2 - Hemiptera Vol : 4 - Coleoptera Vol : 5 - Coleoptera Vol : 6 - Hymenoptera Vol : 7 - Hymenoptera: Ichneumonoidea Vol : 8 - Hymenoptera: Cynipoidea, Chalcidoidea & Proctotrupoidea Vol : 9 - Diptera: Nematocera & Brachycera Vol : 10 - Diptera: Cyclorrhapha Vol : 11 & 12 - ...
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Royal Entomological Society
The Royal Entomological Society is devoted to the study of insects. Its aims are to disseminate information about insects and improving communication between entomology, entomologists. The society was founded in 1833 as the Entomological Society of London. It had many antecedents beginning as the Society of Entomologists of London. History The foundation of the society began with a meeting of "gentlemen and friends of entomological science", held on 3 May 1833 in the British Museum convened by Nicholas Aylward Vigors with the presidency of John George Children. Those present were the Reverend Frederick William Hope, Cardale Babington, William Yarrell, John Edward Gray, James Francis Stephens, Thomas Horsfield, George Thomas Rudd and George Robert Gray. Letters of Adrian Hardy Haworth, George Bennett (naturalist), George Bennett and John Curtis (entomologist), John Curtis were read where they expressed their regrets to be unable to attend the meeting. They decided that a socie ...
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