Alexandre CONSTANT

Bilan général

Evolution des données

Alexandre CONSTANT (1829 - 1901)

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Alexandre Constant also known as Alfred Constant (14 September 1829, Autun – 13 May 1901, Golfe-Juan) was a French entomologist who specialised in Lepidoptera.

Constant was a banker. He became a Member of the Société entomologique de France in 1854. He was principally interested in Microlepidoptera.

source https://en.wikipedia.org/wiki/Alexandre_Constant

Evolution du nombre d'observations (de 1855 à 1900)

Evolution du nombre d'espèces (de 1855 à 1900)