John L. LeConte
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John Lawrence LeConte (May 13, 1825 – November 15, 1883) was an American
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 ...
of the 19th century, responsible for naming and describing approximately half of the insect taxa known in the United States during his lifetime,Bird Name Biographies
- URL retrieved September 14, 2006
including some 5,000 species of beetles. He was recognized as the foremost authority on North American beetles during his lifetime, and has been described as "the father of American beetle study".Evans, Arthur V., and James N. Hogue. 2004. Chapter 1: A Brief History of Beetle Study in California. ''Introduction to California Beetles''. University of California Press. , as excerpted a

- URL retrieved September 16, 2006


Early life

A member of the scientifically inclined LeConte family, John Lawrence was born in New York City, the son of naturalist John Eatton Le Conte. His mother died when John Lawrence was only a few months old, and he was raised by his father. Most reliable sources spell his name "LeConte" or "Leconte", without the space used by his father, and samples of his signature show the preference for "LeConte". He graduated from Mount Saint Mary College, Emmettsburg, Maryland, in 1842, and from the College of Physicians and Surgeons, New York, in 1846. While still in medical college, in 1844, John Lawrence traveled with his cousin Joseph LeConte to the Great Lakes. Starting at Niagara Falls, they visited Detroit and Chicago and traversed Michigan, Wisconsin, Iowa and Illinois before returning up the
Ohio River The Ohio River is a long river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing southwesterly from western Pennsylvania to its mouth on the Mississippi River at the southern tip of Illino ...
to Pittsburgh and on to New York. John Lawrence published his first three papers on beetles that year. Having inherited enough money to make him independent, LeConte did not practice medicine professionally.


Travels

After graduating from medical college John Lawrence LeConte made several trips west, including to California via Panama in 1849. While in San Francisco, he sent 10,000 beetles preserved in
alcohol Alcohol most commonly refers to: * Alcohol (chemistry), an organic compound in which a hydroxyl group is bound to a carbon atom * Alcohol (drug), an intoxicant found in alcoholic drinks Alcohol may also refer to: Chemicals * Ethanol, one of sev ...
back to his father. Another 20,000 beetle specimens were lost in a fire in 1852. LeConte also traveled to Europe, Egypt and
Algiers Algiers ( ; ar, الجزائر, al-Jazāʾir; ber, Dzayer, script=Latn; french: Alger, ) is the capital and largest city of Algeria. The city's population at the 2008 Census was 2,988,145Census 14 April 2008: Office National des Statistiques ...
. He spent two years exploring the Colorado River, and was in
Honduras Honduras, officially the Republic of Honduras, is a country in Central America. The republic of Honduras is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Oce ...
for the building of the Honduras Interoceanic Railway, and in Colorado and New Mexico with the party surveying for the Kansas Pacific Railroad. He moved to Philadelphia in 1852, residing there for the rest of his life. He died in Philadelphia on November 15, 1883.


Military service

During the American Civil War he served as a
surgeon In modern medicine, a surgeon is a medical professional who performs surgery. Although there are different traditions in different times and places, a modern surgeon usually is also a licensed physician or received the same medical training as ...
with the California Volunteers, reaching the rank of
lieutenant colonel Lieutenant colonel ( , ) is a rank of commissioned officers in the armies, most marine forces and some air forces of the world, above a major and below a colonel. Several police forces in the United States use the rank of lieutenant colone ...
.


U.S. Mint

In 1878 he became the chief clerk (assistant director) of the United States Mint in Philadelphia. He retained that position until his death in 1883.


Scientific societies

LeConte was active in the scientific societies of his time, with stints as vice-president of the American Philosophical Society (1880–1883) and president of the
American Association for the Advancement of Science The American Association for the Advancement of Science (AAAS) is an American international non-profit organization with the stated goals of promoting cooperation among scientists, defending scientific freedom, encouraging scientific respons ...
(1873). He was a founder of the
American Entomological Society The American Entomological Society was founded on March 1, 1859. It is the oldest continuously operating entomology society in the Western Hemisphere, and one of the oldest scientific societies in the United States. It is headquartered in Philade ...
, and a charter member of the
National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nati ...
.


Legacy

The genera ''
Lecontella ''Lecontella'' is a genus of checkered beetles in the family Cleridae Cleridae are a family of beetles of the superfamily Cleroidea. They are commonly known as checkered beetles. The family Cleridae has a worldwide distribution, and a variety ...
'', '' Lecontellus'', '' Lecontia'', and '' Contia'' and several hundred species (mostly beetles) are named after him, including a bird,
LeConte's thrasher LeConte's thrasher (''Toxostoma lecontei'') is a pale bird found in the southwestern United States and northwestern Mexico. It prefers to live in deserts with very little vegetation, where it blends in with the sandy soils. LeConte's thrashers ar ...
(''Toxostoma lecontei''), which he discovered while on a beetle-collecting trip to Arizona, and was named after him by George Newbold Lawrence. LeConte communicated with and collected birds and other natural history specimens for
Spencer Fullerton Baird Spencer Fullerton Baird (; February 3, 1823 – August 19, 1887) was an American naturalist, ornithologist, ichthyologist, Herpetology, herpetologist, and museum curator. Baird was the first curator to be named at the Smithsonian Institution. He ...
, a distant cousin and assistant director and then director of the Smithsonian Institution for a total of 39 years. In turn Baird asked other naturalists to collect beetles for LeConte. In the 1850s, LeConte collected some crystals from a cave in Honduras being mined for bat guano. It was later found to be a new mineral that was named "
lecontite Lecontite (sodium ammonium sulfate dihydrate, with potassium substituting for some ammonium, typically about a fourth) is a sulfate mineral with the formula (NH4,K)NaSO4·2H2O. It was found by John Lawrence LeConte in Las Piedras Cave in Hond ...
" in his honor.


Works

* *''Catalogue of the Coleoptera of the United States.'' (1853) Frederick Ernst Melsheimer, revised by Samuel Stehman Haldeman and John Lawrence LeConte *''Classification of the Coleoptera of North America'' (1861, 1873) *''New Species of North American Coleoptera'' (1866, 1873) * *''Classification of the Coleoptera of North America. Part II'' (1883) - with
George Henry Horn George Henry Horn (April 7, 1840 – November 24, 1897) was a U.S. entomologist who specialized in the study of beetles. Born in Philadelphia, Horn attended the University of Pennsylvania, from which he graduated with a degree in medicine in 1861 ...


Notes


References

* * * * * * * *"John Lawrence LeConte" (1936). ''Dictionary of American Biography'', Charles Scribner's Sons. *


External links

*Samuel Henshaw (1878
''The entomological writings of John L. Leconte''
:Dimmock's special bibliography. no. 1 Cambridge, Massachusetts, The editor (George Dimmock), 1878. {{DEFAULTSORT:Le Conte, John Lawrence 1825 births 1883 deaths American entomologists Coleopterists Union Army surgeons Members of the United States National Academy of Sciences Scientists from New York City 19th-century American people Mount St. Mary's University alumni Burials at West Laurel Hill Cemetery Members of the American Philosophical Society