James Thomson (March 15, 1828 – July 2, 1897) was an American entomologist who specialised in Coleoptera.
James Thomson was of independent means and for most of life lived in France. His collection of Cerambycidae, Buprestidae, Cetoniinae and Lucanidae was eventually sold to René Oberthür He was a Member of the Société entomologique de France.
James Thomson is not to be confused with Carl Gustaf Thomson (1824-1899) also an entomologist.
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