Johan Christian Fabricius

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Johan Christian Fabricius
J. C. Fabricius (detail).jpg
Born(1745-01-07)7 January 1745
Tønder, Schleswig (now Denmark)
Died3 March 1808(1808-03-03) (aged 63)
Kiel, Holstein (now Germany)
Education University of Copenhagen, University of Uppsala
Known forClassification of the insects
Scientific career
InstitutionsUniversity of Copenhagen, University of Kiel
Influences Carl Linnaeus
Author abbrev. (botany) J.Fabr.
Author abbrev. (zoology) Fabricius

Johan Christian Fabricius (7 January 1745 – 3 March 1808) was a Danish zoologist, specialising in "Insecta", which at that time included all arthropods: insects, arachnids, crustaceans and others. He was a student of Carl Linnaeus, and is considered [1] one of the most important entomologists of the 18th century, having named nearly 10,000 species of animals, and established the basis for the modern insect classification.



Johan Christian Fabricius was born on 7 January 1745 at Tønder in the Duchy of Schleswig, where his father was a doctor. [2] [3] He studied at the gymnasium at Altona and entered the University of Copenhagen in 1762. [4] Later the same year he travelled together with his friend and relative Johan Zoëga to Uppsala, where he studied under Carl Linnaeus for two years. [4] On his return, he started work on his Systema entomologiæ, which was finally published in 1775. [4] Throughout this time, he remained dependent on subsidies from his father, who worked as a consultant at Frederiks Hospital. [4]

Fabricius was appointed a professor in Copenhagen in 1770, and in 1775 or 1776, the University of Kiel appointed Fabricius professor of natural history and economics, promising that they would build a natural history museum and a botanical garden. [3] Although he tried to resign three times, on one occasion only being prevented by an appeal from his students to the Danish King and Duke of Schleswig, Christian VII, [3] Fabricius held the position at Kiel for the rest of his life. [2]

During his time in Kiel, Fabricius repeatedly travelled to London in the summer to study the collections of British collectors, such as Joseph Banks and Dru Drury. [5] Towards the end of his career, Fabricius spent much of his time living in Paris, where he frequently met with naturalists such as Georges Cuvier and Pierre André Latreille; [3] he was also interested in the events of the French Revolution. On hearing of the British attack on Copenhagen in 1807, Fabricius returned to Kiel, damaging his already fragile health. He died on 3 March 1808, at the age of 63. [3] His daughter died in an accident in Paris, but he was survived by two sons, who both studied medicine. [2]


The evolutionary ideas of Fabricius are not well known. He believed that man originated from the great apes and that new species could be formed by the hybridization of existing species. [6] He also has been called the "Father of Lamarckism" because of his belief that new species could form from morphological adaptation. [6] [7] Fabricius wrote about the influence of environment on development of species and selection phenomena (females preferring the strongest males). [6] [8]


Fabricius is considered one of the greatest entomologists of the 18th century. [3] He was a greater observer of insects than his more botanically-minded mentor, Carl Linnaeus. Fabricius named 9,776 species of insects, compared to Linnaeus' tally of around 3,000. [8] He identified many species of Tenebrionidae from the Egyptian Sinai on the basis of other entomologists' collections. [9]

Fabricius added two distinct areas to the classification system. He considers both artificial and natural characteristics. Artificial characteristics allow for the determination of a species, and natural ones allow for the relationship to other genera and varieties. [8]

In contrast to Linnaeus' classification of the insects, which was based primarily on the number of wings, and their form, Fabricius used the form of the mouthparts to discriminate the orders (which he termed "classes"). [8] He stated "those whose nourishment and biology are the same, must then belong to the same genus." [10] Fabricius' system remains the basis of insect classification today, although the names he proposed are not. For instance, his name for the order containing the beetles was "Eleutherata", rather than the modern "Coleoptera", and he used "Piezata" for Hymenoptera; his term Glossata is still in use, but for a slightly smaller group among the Lepidoptera, rather than the whole order. Fabricius also foresaw that the male genitalia would provide useful characters for systematics, but could not apply that insight himself. [10]

Fabricius was the first to divide the Staphylinidae (rove beetles), which Linnaeus had considered a single genus that he called "Staphylinus", establishing in 1775 the genus Paederus . He also described 77 species of Staphylinidae. [11]

His major works on systematic entomology were: [8]

Many of his works can be found in digital libraries:

Fabricius' collections are shared between the Natural History Museum, London, the Muséum national d'histoire naturelle , Paris, the Hope Department of Entomology, Oxford, the Hunterian Museum and Art Gallery, Glasgow, the Zoological Museum in Kiel, and the Statens Naturhistoriske Museum , Copenhagen. [3]

Fabricius also wrote a few works on economics, although these are much less important than his zoological works. They include Begyndelsesgrundene i de økonomiske Videnskaber (1773), Polizeischriften (1786–1790) and Von der Volksvermehrung, insonderheit in Dänemark (1781). [4]

The standard author abbreviation J.Fabr. is used to indicate this person as the author when citing a botanical name. [14]

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<i>Rhytiphora bankii</i> Species of beetle

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  1. Bengt-Olaf Landin 1971 Dictionary of Scientific Biography Vol 4, pp. 512-513. Charles Scribner's Sons, New York.
  2. 1 2 3 David M. Damkaer (2002). "Johan Christian Fabricius". The Copepodologist's Cabinet: A Biographical and Bibliographical History. Volume 240 of Memoirs of the American Philosophical Society. American Philosophical Society. pp.  67–71. ISBN   978-0-87169-240-5.
  3. 1 2 3 4 5 6 7 Jon-Arne Sneli, Jørgen Knudsen & Antonia Vedelsby (2009). "Johan Christian Fabricius and his molluscan species, Acesta excavata (J. C. Fabricius, 1779)". Steenstrupia. 30 (2): 153–162. Archived from the original (PDF) on 19 July 2011.
  4. 1 2 3 4 5 "Johan Christian Fabricius". Dansk biografisk leksikon (in Danish). Vol. 5 (1st ed.). Projekt Runeberg. 1891. pp. 24–30.
  5. Hans G. Hansson. "Johan(n) Christian Fabricius". Biographical Etymology of Marine Organism Names. Göteborgs Universitet . Retrieved 14 September 2010.
  6. 1 2 3 Complete Dictionary of Scientific Biography. Vol. 4. Detroit: Charles Scribner's Sons, 2008. 512-513.
  7. Kragh, Helge; Nielsen, Henry. (2008). Science in Denmark: A Thousand-year History. Aarhus University Press. p. 210. ISBN   978-8779343177 "Some historians of science have pointed out so many similarities between Fabricius and Lamarck that they find it possible the Frenchman in Paris was inspired by the Dane, implying that the latter was, in reality, "the father of Lamarckism".
  8. 1 2 3 4 5 S. L. Tuxen (1967). "The entomologist J. C. Fabricius". Annual Review of Entomology . 12: 1–15. doi:10.1146/annurev.en.12.010167.000245.
  9. Lillig, Martin; Pavlíček, Tomáš (2003). The Darkling Beetles of the Sinai Peninsula: Coleoptera: Tenebrionidae (excl. Lagriinae Et Alleculinae). Kasparek Verlag. p. 2. ISBN   978-3-925064-37-1.
  10. 1 2 David A. Grimaldi & Michael S. Engel (2005). "Diversity and Evolution". Evolution of the insects. Volume 1 of Cambridge Evolution Series. Cambridge University Press. pp. 1–41. ISBN   978-0-521-82149-0.
  11. Smetana, Ales.; Herman, Lee H. (2001). "Brief history of taxonomic studies of the Staphylinidae including biographical sketches of the investigators" (PDF). Bulletin of the American Museum of Natural History. 265: 17–160. Retrieved 28 July 2011. [Fabricius: pp. 61–62]
  12. 1 2 3 4 Date 28 March 2015.
  13. Species insectorum: vol. 1, vol. 2
  14. IPNI.  J.Fabr.

Further reading

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