Caspar Erasmus Duftschmid properly Kaspar was an Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

n naturalist

Natural history

Natural history is the scientific research of plants or animals, leaning more towards observational rather than experimental methods of study, and encompasses more research published in magazines than in academic journals. Grouped among the natural sciences, natural history is the systematic study...

 and physician

Physician

A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

 who made significant contributions to entomology

Entomology

Entomology is the scientific study of insects, a branch of arthropodology...

, especially Coleoptera.

He was born in Gmunden

Gmunden

Gmunden is a town in Upper Austria, Austria in the district of Gmunden. It has 13,202 inhabitants . It is much frequented as a health and summer resort, and has a variety of goat, lake, brine, vegetable and pine-cone baths, a hydropathic establishment, inhalation chambers, whey cure, etc...

 19 November 1767 and died in Linz

Linz

Linz is the third-largest city of Austria and capital of the state of Upper Austria . It is located in the north centre of Austria, approximately south of the Czech border, on both sides of the river Danube. The population of the city is , and that of the Greater Linz conurbation is about...

 17 December 1821.

His best known work, introducing many new genera

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 and species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

  is Fauna Austriaca. Oder Beschreibung der österreischischen Insekten für angehande Freunde der Entomologie. Volume 1 1804 1805?, Volume 2 1812, Volume 3 1825. Linz and Leipzig

Leipzig

Leipzig Leipzig has always been a trade city, situated during the time of the Holy Roman Empire at the intersection of the Via Regia and Via Imperii, two important trade routes. At one time, Leipzig was one of the major European centres of learning and culture in fields such as music and publishing...

.
His collection of Coleoptera and Lepidoptera from Upper Austria is in Oberösterreiches Landesmuseum - Biologiezentrum The natural history museum of Upper Austria (in German), Linz

Linz

Linz is the third-largest city of Austria and capital of the state of Upper Austria . It is located in the north centre of Austria, approximately south of the Czech border, on both sides of the river Danube. The population of the city is , and that of the Greater Linz conurbation is about...

.The labels are lost and the insects incorporated into the general collection.