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Euxoa Crassa
''Agrotis bigramma'', the great dart, is a moth of the family Noctuidae. The species was first described by Eugenius Johann Christoph Esper in 1790. It is found from along the southern shores of the Baltic Sea to China, the Levant and North Africa. Migrants have been reported as far west as Great Britain with three in one trap at St Agnes, Isles of Scilly on 10 August 1997. The wingspan is 40–48 mm. Adults are on wing from September to December. There is one generation per year. The larvae feed on the roots of Poaceae Poaceae () or Gramineae () is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos and the grasses of natural grassland and species cultivated in lawns an ... species and other low growing herbaceous plants. References External links * Great Dart at ''UKMoths''''Lepiforum e.V.'' Agrotis Moths described in 1790 Moths of Africa Moths of Asia Moths of Eur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eugenius Johann Christoph Esper
Eugenius Johann Christoph Esper (2 June 1742 – 27 July 1810) was a German zoologist and naturalist. Born in Wunsiedel in Bavaria, he was professor of zoology at Erlangen university. Life and work Eugen and his brother Friedrich were introduced to natural history at an early age by their father Friedrich Lorenz Esper, an amateur botanist. Encouraged to abandon his theology course by his professor of botany Casimir Christoph Schmidel (1718–1792) Eugen Esper, instead, took instruction in natural history. He obtained his doctorate of philosophy at the university of Erlangen in 1781 with a thesis entitled ''De varietatibus specierum in naturale productis''. The following year, he started to teach at the university initially as extraordinary professor, a poorly paid position, then in 1797 as the professor of philosophy. He directed the department of natural history in Erlangen from 1805. Thanks to him the university collections of minerals, birds, plants, shells and insects ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |