Georg Ulmer (5 March 1877, in

Hamburg Hamburg (, ; ), officially the Free and Hanseatic City of Hamburg,. is the List of cities in Germany by population, second-largest city in Germany after Berlin and List of cities in the European Union by population within city limits, 7th-lar ...

– 15 January 1963, in Hamburg) was a German

entomologist Entomology (from Ancient Greek ἔντομον (''éntomon''), meaning "insect", and -logy from λόγος (''lógos''), meaning "study") is the branch of zoology that focuses on insects. Those who study entomology are known as entomologists. In ...

who specialized in research of

Trichoptera The caddisflies (order Trichoptera) are a group of insects with aquatic larvae and terrestrial adults. There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and Annulipalpia on the basis ...

(caddisflies) and Ephemeroptera (mayflies). In 1899 he qualified as an instructor, and up until 1934 he worked as a schoolteacher in Hamburg. In 1912 he received an honorary doctorate from the

University of Basel The University of Basel (Latin: ''Universitas Basiliensis''; German: ''Universität Basel'') is a public research university in Basel, Switzerland. Founded on 4 April 1460, it is Switzerland's oldest university and among the world's oldest univ ...

, largely based on his work involving caddisflies of

Baltic amber Baltic amber or succinite is amber from the Baltic region, home of its largest known deposits. It was produced sometime during the Eocene epoch, but exactly when is controversial. It has been estimated that this forested region provided the re ...

. In 1952 he became an honorary member of the

Royal Entomological Society The Royal Entomological Society is a learned society devoted to the study of insects. It aims to disseminate information about insects and to improve communication between entomologists. The society was founded in 1833 as the Entomological S ...

.Georg Ulmer (1877 – 1963)
Ephemeroptera Germanica Throughout his career, he conducted extensive studies involving the faunistics, biology,

systematics Systematics is the study of the diversification of living forms, both past and present, and the relationships among living things through time. Relationships are visualized as evolutionary trees (synonyms: phylogenetic trees, phylogenies). Phy ...

, and

taxonomy image:Hierarchical clustering diagram.png, 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme o ...

of caddisflies and mayflies. He conducted research on species native to Germany and also specimens collected by others from worldwide locations. From 1900 up until his death he was the author of 175 scientific publications. In 1964 his insect collection was donated to the Zoological Museum of Hamburg.An updated list of type material of Ephemeroptera Hyatt & Arms, 1890, deposited at the Zoological Museum of Hamburg (ZMH)
/ref> He is credited with describing 381 living and 129 fossil species of Trichoptera, as well as 111 species of Ephemeroptera. He is also the taxonomic authority of the mayfly families Oligoneuriidae (1914), Ecdyonuridae (1920), and

Siphlonuridae Siphlonuridae, also known as the primitive minnow mayfly is a family of insects belonging to the order Ephemeroptera. They are adapted to cool waters. Taxonomy The family is divided into the following extant genera: # ''Ameletoides'' Tillyard, 1 ...

(1920). The

Leptophlebiidae Leptophlebiidae is a family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideal ...

genera ''Ulmeritoides'', ''Ulmeritus,'' and ''Ulmerophlebia'' commemorate his name.

Partial listing of works

* ''Über die Metamorphose der Trichopteren'', 1903 – On the metamorphosis of Trichoptera. * ''Hamburgische Elb-Untersuchung 5. Trichopteren'', 1903 – Hamburg-

Elbe The Elbe ( ; ; or ''Elv''; Upper Sorbian, Upper and , ) is one of the major rivers of Central Europe. It rises in the Giant Mountains of the northern Czech Republic before traversing much of Bohemia (western half of the Czech Republic), then Ge ...

investigations: Trichoptera, Volume 5. * ''Zur Trichopteren-Fauna von Hessen'', 1903 – Trichoptera of

Hesse Hesse or Hessen ( ), officially the State of Hesse (), is a States of Germany, state in Germany. Its capital city is Wiesbaden, and the largest urban area is Frankfurt, which is also the country's principal financial centre. Two other major hist ...

. * ''Zur Trichopteren-Fauna von Thüringen und Harz'', 1903 – Trichoptera of

Thuringia Thuringia (; officially the Free State of Thuringia, ) is one of Germany, Germany's 16 States of Germany, states. With 2.1 million people, it is 12th-largest by population, and with 16,171 square kilometers, it is 11th-largest in area. Er ...

and the

Harz The Harz (), also called the Harz Mountains, is a highland area in northern Germany. It has the highest elevations for that region, and its rugged terrain extends across parts of Lower Saxony, Saxony-Anhalt, and Thuringia. The name ''Harz'' der ...

. * ''Zur Fauna des Eppendorfer Moores bei Hamburg'', 1903 – Fauna of the Eppendorfer Moor near Hamburg. * ''Über westafrikanische Trichopteren'', 1904 – On West African Trichoptera. * ''Über die von Herrn Prof. Yngve Sjöstedt in Kamerun gesammelten Trichopteren'', 1904 – On Trichoptera collected by

Bror Yngve Sjöstedt Bror Yngve Sjöstedt (August 3, 1866, Hjo – 1948) was a Swedish naturalist. Sjöstedt gained his degree and his doctorate in 1896 at the University of Uppsala. He worked as an assistant in Statens Entomologiska Anstalt from 1897 to 1902, bec ...

Kamerun Kamerun was an African colony of the German Empire from 1884 to 1916 in the region of today's Republic of Cameroon. Kamerun also included northern parts of Gabon and the Congo with western parts of the Central African Republic, southwestern ...

. * ''Trichopteren'', 1904 – Trichoptera. * ''Ephemeriden'', 1904 – Ephemeroptera. * ''Trichopteren aus Java'', 1905 – On Trichoptera of

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

. * ''Über die geographische Verbreitung der Trichopteren'', 1905 – On the distribution of Trichoptera. * ''Übersicht über die bisher bekannten Larven europäischer Trichopteren'', 1906 – Overview on the hitherto known larvae of European Trichoptera. * ''Japanische Trichopteren'', 1908 – Japanese Trichoptera. * ''Ephemeriden von Madagaskar und den Comoren'', 1909 – Ephemeroptera of

Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...

and the

Comoros The Comoros, officially the Union of the Comoros, is an archipelagic country made up of three islands in Southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. Its capital and largest city is Moroni, ...

. * ''Unsere wasserinsekten'', 1911 – On water insects. * ''Die trichopteren des baltischen bernsteins'', 1912 – Trichoptera found in Baltic amber.HathiTrust Digital Library
(published works) * ''Ephemeriden aus Java, gesammelt von Edw. Jacobson'', 1913 – Ephemeroptera of Java, collected by Edw. Jacobson.

References

{{DEFAULTSORT:Ulmer, Georg 1877 births 1963 deaths Scientists from Hamburg German entomologists