Arnoldo de Winkelried Bertoni (December 28, 1878 – August 1973), also known as Arnaldo da Winkelried, was a

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

an zoologist born in

Switzerland ). Swiss law does not designate a ''capital'' as such, but the federal parliament and government are installed in Bern, while other federal institutions, such as the federal courts, are in other cities (Bellinzona, Lausanne, Luzern, Neuchâtel ...

Biography

He was better known as Arnaldo de Winkelried, his name given in honor of the Swiss soldier

Arnold von Winkelried Arnold von Winkelried or Arnold Winkelried is a legendary hero of Swiss history. According to 16th-century Swiss historiography, Winkelried's sacrifice brought about the victory of the Old Swiss Confederacy in the Battle of Sempach (1386) over ...

who died at the

Battle of Sempach The Battle of Sempach was fought on 9 July 1386, between Leopold III, Duke of Austria and the Old Swiss Confederacy. The battle was a decisive Swiss victory in which Duke Leopold and numerous Austrian nobles died. The victory helped turn the lo ...

in 1386. In 1887, he emigrated to Paraguay along with his family. He first began studying

zoology Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ...

with his father, the naturalist

Moisés Santiago Bertoni Mosè Giacomo Bertoni (15 June 1857 – 19 September 1929), known in Spanish as Moisés Santiago Bertoni, was an Italian-speaking Swiss naturalist. He emigrated to South America in 1884 and lived in Paraguay from 1887 until he died in 1929. Be ...

in the neighborhood of Guillermo Tell, now called Puerto Bertoni in the

Alto Paraná Department Alto Paraná (; ''Upper Paraná'') is a department in Paraguay. The capital is Ciudad del Este (formerly known as Puerto Presidente Stroessner, originally Puerto Flor de Lis). The Alto Paraná department has experienced tremendous economic and ...

of Paraguay, along the

Paraná River The Paraná River ( es, Río Paraná, links=no , pt, Rio Paraná, gn, Ysyry Parana) is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some ."Parana River". Encyclopædia Britannica. Encyclopædia Br ...

. Between 1903 and 1906, he served as a professor of

zootechnics Zootechnics is the art of managing domestic or captive animals, including handling, breeding, and keeping. Based on: genetics, reproduction ( animal husbandry), feeding and nutrition, handling, health (preventive medicine) and economics. See also ...

and zoology at the School of Agriculture and Model Farm, which was opened in 1897 with his father as its director. In 1917, he decided to leave Puerto Bertoni and together with his brother Guillermo Tell they travelled to

Asunción Asunción (, , , Guarani: Paraguay) is the capital and the largest city of Paraguay. The city stands on the eastern bank of the Paraguay River, almost at the confluence of this river with the Pilcomayo River. The Paraguay River and the Bay of ...

where he began to work on his own scientific research, investigating the Paraguayan fauna, chiefly insects (

Eumeninae Potter wasps (or mason wasps), the Eumeninae, are a cosmopolitan wasp group presently treated as a subfamily of Vespidae, but sometimes recognized in the past as a separate family, Eumenidae. Recognition Most eumenine species are black or brown, ...

Polistinae The Polistinae is a subfamily of eusocial wasps belonging to the Family (biology), family Vespidae. They are closely related to the more familiar wasps (“yellowjackets” as they are called in North America) and true hornets of the subfamily V ...

Masarinae Pollen wasps, the Masarinae, are unusual wasps that are typically treated as a subfamily of Vespidae, but have in the past sometimes been recognized as a separate family, "Masaridae", which also included the subfamilies Euparagiinae and Gayellina ...

Sphecinae The Sphecinae is a subfamily of the digger wasp family Sphecidae. It contains the following genera: * '' Chilosphex'' Menke ''in'' R. Bohart and Menke, 1976 * '' Isodontia'' Patton, 1880 * '' Palmodes'' Kohl, 1890 * ''Prionyx ''Prionyx'' ...

and

Trigonalidae Trigonalidae (the spelling Trigonalyidae is incorrect under Article 29.5 of the ICZN,ICZN Code
29.5. Maintena ...

), as well as vertebrates, especially birds. He also made contributions in paleontology and archaeology. From 1930 to 1940, he was a professor of zoology, zootechnics,

entomology Entomology () is the science, 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 ...

, and

plant pathology Plant pathology (also phytopathology) is the scientific study of diseases in plants caused by pathogens (infectious organisms) and environmental conditions (physiological factors). Organisms that cause infectious disease include fungus, fung ...

at the Escuela Superior de Agricultura and at the Escuela Nacional de Agricultura Mariscal Estigarribia. He was a founding member of the Guaraní Academy of Science and Culture.

Publications

* * ''Vocabulario zoológico guaraní'' (Con etimología y nomenclatura técnica). 1910. * ''Contribución a la biología de las avispas y abejas del Paraguay (Hymenoptera)''. 1911. * ''Catálogo sistemático de los vertebrados del Paraguay''. 1912. * ''Fauna paraguaya: catálogos sistemáticos de los vertebrados del Paraguay: peces, batracios, reptiles, aves, y mamíferos conocidos hasta 1913''. Asunción: Establecimiento Gráfico M. Brossa, 1914. * ''Aves paraguayas poco conocidas''. 1925. * ''Notas biológicas y sistemáticas sobre algunos insectos útiles''. Asunción: Dirección de Agricultura y Defensa Agrícola, 1926. * ''Nueva forma de psitácidos del Paraguay''. 1927.

References

{{DEFAULTSORT:Bertoni, Arnoldo de Winkelried 20th-century Swiss people Naturalized citizens of Paraguay 20th-century zoologists 1878 births 1973 deaths