Alexandre Louis Lefèbvre de Cérisy
Encyclopedia
Alexandre Louis Lefebvre de Cérisy (14 November 1798 Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 - 1867 le Bouchevilliers
Bouchevilliers
Bouchevilliers is a commune in the Eure department in Haute-Normandie in north-western France.-Population:...

, near Gisors
Gisors
Gisors is a commune in the metropolitan area of Paris, France. It is located northwest from the center of Paris.Gisors, together with the neighbouring communes of Trie-Château and Trie-la-Ville, form an urban area of 12,669 inhabitants...

 was a French
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 entomologist

de Cérisy worked as clerk to a solicitor. It was Jean-Baptist Godart (1775-1825) who introduced him to entomology
Entomology
Entomology is the scientific study of insects, a branch of arthropodology...

.
Of all insect orders
Order (biology)
In scientific classification used in biology, the order is# a taxonomic rank used in the classification of organisms. Other well-known ranks are life, domain, kingdom, phylum, class, family, genus, and species, with order fitting in between class and family...

 he was principally interested in Lepidoptera
Lepidoptera
Lepidoptera is a large order of insects that includes moths and butterflies . It is one of the most widespread and widely recognizable insect orders in the world, encompassing moths and the three superfamilies of butterflies, skipper butterflies, and moth-butterflies...

. Basing his studies on the use of the wing veins for the classification of Hymenoptera
Hymenoptera
Hymenoptera is one of the largest orders of insects, comprising the sawflies, wasps, bees and ants. There are over 130,000 recognized species, with many more remaining to be described. The name refers to the heavy wings of the insects, and is derived from the Ancient Greek ὑμήν : membrane and...

, he proposed in 1842, a similar system of classification (based on the veins of the wings) for butterflies.
He traveled throughout Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

, sometimes accompanied by naturalists such as Achille Rémy Percheron
Achille Rémy Percheron
Achille Rémy Percheron was a French entomologist. He listed, in Bibliographie entomologique more than 5 000 authors and 500 anonymous contributions.-Works:...

 (1797-1869) in Provence
Provence
Provence ; Provençal: Provença in classical norm or Prouvènço in Mistralian norm) is a region of south eastern France on the Mediterranean adjacent to Italy. It is part of the administrative région of Provence-Alpes-Côte d'Azur...

 and Gabriel Bibron
Gabriel Bibron
Gabriel Bibron was a French zoologist. He was born in Paris. Son of an employee of the Museum national d'histoire naturelle, he had a good foundation in natural history and was hired to collect vertebrates in Italy and Sicily. He classified a number of reptile species with André Marie Constant...

 (1805-1848) in Sicily
Sicily
Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

. He was at the founding meeting , February 29, 1832, of the Société entomologique de France
Société entomologique de France
The Société entomologique de France, or French Entomological Society, is devoted to the study of insects. It was founded in 1832.The society was created by eighteen Parisian entomologists on January 31, 1832...

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