Karl Ludwig Friedrich von Roser (1787–1861) was a German

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 arach ...

who specialised in

Diptera Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced ...

. His main career was as a high ranking government official and administrator in the

Kingdom of Württemberg The Kingdom of Württemberg (german: Königreich Württemberg ) was a German state that existed from 1805 to 1918, located within the area that is now Baden-Württemberg. The kingdom was a continuation of the Duchy of Württemberg, which exist ...

. Born in

Vaihingen an der Enz Vaihingen an der Enz is a town located between Stuttgart and Karlsruhe, in southern Germany, on the western periphery of the Stuttgart Region. Vaihingen is situated on the river Enz, and has a population of around 30,000. The former district-cap ...

, where his father held the position of ''Oberamtmann'', Roser was educated at a gymnasium in

Stuttgart Stuttgart (; Swabian: ; ) is the capital and largest city of the German state of Baden-Württemberg. It is located on the Neckar river in a fertile valley known as the ''Stuttgarter Kessel'' (Stuttgart Cauldron) and lies an hour from the ...

and at the

University of Tübingen The University of Tübingen, officially the Eberhard Karl University of Tübingen (german: Eberhard Karls Universität Tübingen; la, Universitas Eberhardina Carolina), is a public research university located in the city of Tübingen, Baden-Wü ...

. As an entomologist, he described many new Diptera species in his ''Erster Nachtrag zu dem im Jahre 1834 bekannt gemachten Verzeichnisse in Württtemberg vorkommender zweiflügliger Insekten'' (1840). He died in

References

*Jäger, H. von (1863): Nekrolog des Staatsraths v. Roser in Stuttgart. ''Jahreshefte des Vereins für vaterländische Naturkunde in Württemberg'' 19, 3 1-40. Stuttgart *Hauser, M. Schwebfliegen-Typen (Diptera, Syrphidae) im Staatlichen Museum für Naturkunde Stuttgar
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*Roser, C.L.F. von, ''Erster Nachtrag zu dem im Jahre 1834 bekannt gemachten Verzeichnisse in Württtemberg vorkommender zweiflügliger Insekten'' (1840) * “Correspondenzblatt des königlich württembergischen landwirtschaftlichen Vereins” N.F. 1 (I), 49-64. Stuttgart German entomologists Dipterists 1861 deaths 1787 births {{Germany-biologist-stub