Arhopala delta is a species of butterfly belonging to the lycaenid family described by William Harry Evans in 1957."Arhopala Boisduval, 1832" at Markku Savela's Lepidoptera and Some Other Life Forms. Retrieved June 9, 2017. It is found in Southeast Asia (Peninsular Malaya, Sumatra and Borneo).Eliot, J. N. 1992. With plates by D'Abrera, in Corbet & Pendlebury. The Butterflies of the Malay Peninsula 4th Edn. Malayan Nature Society, Kuala Lumpur.Seki, Y. & Takanami, Y. and Otsuka, K., 1991. Butterflies of Borneo Vol. 2, No. 1. Lycaenidae. Tobishima Corporation, Tokyo
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