Harold Powell (1875 in The Mumbles – 1954) was a British entomologist who specialised in Lepidoptera.
He collaborated with Charles Oberthur notably on Faune des Lepidopteres de la Barbarie.
Etudes de Lepidopterologie comparee, part 10, p. 1-459.
His collection of Lepidoptera from Morocco is held by Service de la Défense des Cultures, Rabat.
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