Georges_Rousseau-Decelle
Georges Rousseau-Decelle (2 January 1878, in Roche-sur-Yon – 1965) was a French entomologist.
Rousseau-Decelle amassed a large collection of worldwide butterflies containing many rare species, notably in the genera Morpho and Ornithoptera. He was primarily interested in infraspecific variation.
Georges Rousseau-Decelle was a chevalier de la Légion d’Honneur and a member of the Société entomologique de France.