Tapinoma arnoldi is a species of ant in the genus Tapinoma. Described by Forel in 1913, the species is endemic to Zimbabwe.Forel, A. 1913a. Fourmis de Rhodesia, etc. récoltées par M. G. Arnold, le Dr. H. Brauns et K. Fikendey. Ann. Soc. Entomol. Belg. 57: 108-147 (page 139, worker described)

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