Glabroculus is a Palearctic genus of butterflies in the family Lycaenidae. It contains two described species. The larvae of Glabroculus are associated with plants of the family Limoniaceae.
The two species include:
Glabroculus cyane (Eversmann, 1837) Urals, Turan, Tian-Shan, Ghissar, Darvaz, Pamirs-Alai, Saur, Tarbagatai, South Altai, Transbaikalia, Mongolia. Glabroculus elvira (Eversmann, 1854) Kazakhstan, Kyrgyzstan.
Classification Glabroculus was originally described by Lvovsky in 1993 as a subgenus of Polyommatus. Subsequent molecular phylogenetic studies confirmed that Glabroculus does not belong within Polyommatus, and it is treated as a distinct genus. Elviria Zhdanko, 1994, listed as a synonym in the article, was also included by some authors within Polyommatus before the molecular evidence clarified its placement.
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