(en) Bálint, Z. & Johnson, K., 1997: Reformation of the Polyommatus section with a taxonomic and biogeographic overview (Lepidoptera, Lycaenidae, Polyommatini). Neue Entomologische Nachrichten40: 7: 1-67.
(en) Talavera, G., Lukhtanov, V., Pierce, N. & Vila. R., 2012: Establishing criteria for higher-level classification using molecular data: the systematics of Polyommatus blue butterflies (Lepidoptera, Lycaenidae). Cladistics29(2): 166-192. samenvatting: DOI:10.1111/j.1096-0031.2012.00421.x