The Arhopala butterflies described by Fabricius: A. centaurus is from Java, A. democritus from Phuket (Lepidoptera: Lycaenidae), Entomological science, Volume 9 Issue 3, Pages 295 - 311, Published Online: 27 Sep 2006, Richard I. Vane-Wright and Harish Gaonkar, Department of Entomology, the Natural History Museum, London, UK (September 2006).