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Rhinocyllus
''Rhinocyllus'' is a small genus of true weevil, with 4 species described. Ter-Minasyan ME. 1967. Weevils of the sub-family Cleoninae in the fauna of the USSR; tribe Lixini. New Delhi: Amerind Publishing Co The host plants of this genus are thistles in the subtribe Carduinae. Its sister group is '' Bangasternus''. The most well-known species is ''R. conicus'' which is a controversial agent of biological pest control which has been used against noxious thistles in the genera ''Carduus'', ''Cirsium'', ''Onopordum'', and ''Silybum''. Species * '' Rhinocyllus alpinus'' Gültekin, Diotti & Caldara, 2019 * ''Rhinocyllus conicus ''Rhinocyllus conicus'' is a species of true weevil. It is best known as a controversial agent of biological pest control which has been used against noxious thistles in the genera ''Carduus'', ''Cirsium'', ''Onopordum'', and ''Silybum''. The ...'' (Frölich, 1792) * '' Rhinocyllus oblongus'' Capiomont, 1873 * '' Rhinocyllus turkestanicus'' Desbrocher ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhinocyllus Conicus
''Rhinocyllus conicus'' is a species of true weevil. It is best known as a controversial agent of biological pest control which has been used against noxious thistles in the genera ''Carduus'', ''Cirsium'', ''Onopordum'', and ''Silybum''. The adult weevil is black and covered in a thin black and yellowish mottled coat of hairs. It is a short-snouted beetle up to 6 millimeters in total body length. The female lays over 100 eggs on or near the bracts of the thistle flower head. She covers the eggs with masticated plant tissue to protect them from predators. When the white larva emerges from its egg it burrows into the flower head and feeds on the flower parts and developing seeds. As it grows it deposits frass and chewed plant tissue on the walls of its chamber, producing a rigid protective shell in which it will pupate. Pupation takes up to two weeks and when the weevil emerges as an adult it remains inside the chamber for a few more weeks before tunneling out of the plant. Dam ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carduus
''Carduus'' is a genus of flowering plants in the family Asteraceae, and the tribe Cardueae, one of two genera considered to be true thistles, the other being ''Cirsium''. Plants of the genus are known commonly as plumeless thistles.''Carduus''. Integrated Taxonomic Information System (ITIS).''Carduus''. Flora of North America. They are native to temperate Eurasia and North Africa, and several are known elsewhere as . This genus is noted for its disproportionat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biological Pest Control
Biological control or biocontrol is a method of controlling pests, whether pest animals such as insects and mites, weeds, or pathogens affecting animals or plants by using other organisms. It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also involves an active human management role. It can be an important component of integrated pest management (IPM) programs. There are three basic strategies for biological control: classical (importation), where a natural enemy of a pest is introduced in the hope of achieving control; inductive (augmentation), in which a large population of natural enemies are administered for quick pest control; and inoculative (conservation), in which measures are taken to maintain natural enemies through regular reestablishment. Natural enemies of insects play an important part in limiting the densities of potential pests. Biological control agents such as these include predators, parasitoids, pathogens, and com ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ernst Friedrich Germar
Ernst Friedrich Germar (3 November 1786 – 8 July 1853) was a German professor and director of the Mineralogy, Mineralogical Museum at Halle, Saxony-Anhalt, Halle. As well as being a mineralogist he was interested in entomology and particularly in the Coleoptera and Hemiptera. He wrote monographs on several insect families including the Scutelleridae. He also took an interest in paleoentomology. Life and work Germar was born in Glauchau in the Electorate of Saxony where his father was a merchant. His two older and a younger brother went to study trade but Ernst went to a grammar school in Meiningen at the age of twelve under the care of Schaubach, a relative of his father. He became interested in insects thanks to a friend who had attended forestry classes at Dreissigacker under Johann Matthäus Bechstein. He also got to know the entomologist Joseph Philippe de Clairville who lived in Meiningen. In 1804 he went to study at the mining academy (Bergakademie) at Freiburg where he ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Curculionidae
The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families with 6,800 genera and 83,000 species described worldwide. They are the sister group to the family Brentidae. They include the bark beetles as the subfamily Scolytinae, which are modified in shape in accordance with their wood-boring lifestyle. They do not much resemble other weevils, so they were traditionally considered a distinct family, Scolytidae. The family also includes the ambrosia beetles, of which the present-day subfamily Platypodinae was formerly considered the distinct family Platypodidae. Description Adult Curculionidae can be recognised by the well-developed, downwards-curved snout (Rostrum (anatomy), rostrum) possessed by many species, though the rostrum is sometimes short (e.g. Entiminae). They have elbowed Antenna (biology), antennae that end in clubs, and the first antennal segment often fits into a groove in the side of the rost ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Margarita Ervandovna Ter-Minassian
Margarita Ervandovna Ter-Minassian (; 16 May 19109 April 1995) was a Soviet entomologist and specialist for weevils (Curculionoidea) and seed beetles (Bruchinae). Her name is sometimes transliterated as Ter-Minasian or Ter-Minasyan.Korotyaev, B.A. On the 100th anniversary of Margarita Ervandovna Ter-Minassian. Entmol. Rev. 90, 951–953 (2010). https://doi.org/10.1134/S0013873810070110 Biography Ter-Minassian was born in the German city of Leipzig, while her father was staying there for education. She got her secondary education in Echiadzin, and was a student at Yerevan State University from 1926. After graduating, she continued her education in 1932 at the Zoological Institute of the USSR Academy of Sciences in Leningrad, where she defended a candidate's dissertation in 1935. In the 1930s, she married entomologist Andrey Andreevich Richter, with whom she had a daughter, Vera Andreevna Richter (Вера Андреевна Рихтер), who also became an entomologist.Richte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Noxious Weed
A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or livestock. Most noxious weeds have been introduced species, introduced into an ecosystem by ignorance, mismanagement, or accident. Some noxious weeds are native, though many localities define them as necessarily being non-native. Typically they are plants that grow aggressively, multiply quickly without natural controls (native herbivores, soil chemistry, etc.), and display adverse effects through contact or ingestion. Noxious weeds are a large problem in many parts of the world, greatly affecting areas of agriculture, forestry, forest management, nature reserves, regional park, parks and other open space. Many noxious weeds have come to new regions and countries through contaminated shipments of feed and crop seeds or were intentionally introd ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
