虹灰蝶屬

虹灰蝶屬（學名：Arcas）是灰蝶科線灰蝶亞科美灰蝶族中的一個屬。物種分佈於新熱帶界。幼蟲以番荔枝科樓林果屬（Rollinia）植物作寄主。

物種 
 彩虹灰蝶Arcas cypria
 帝王虹灰蝶 Arcas imperialis
 二尾虹灰蝶 Arcas ducalis
 Arcas alleluia
 Arcas gozmanyi
 Arcas splendor
 Arcas jivaro
 Arcas delphia
 圖虹灰蝶 Arcas tuneta

參考文獻 

 Robbins, R. K. 2004. 2004e. Lycaenidae. Theclinae. Tribe Eumaeini, pp. 118–137. In: Lamas, G. (Ed.), Checklist: Part 4A. Hesperioidea - Papilionoidea. In: Heppner, J. B. (Ed.), Atlas of Neotropical Lepidoptera. Volume 5A. Gainesville, Association for Tropical Lepidoptera; Scientific Publishers.
 Robbins, R. K., A. R. P. Martins, et al. (2012). "Loss of male secondary sexual structures in allopatry in the neotropical buttefly genus Arcas (Lycaenidae: Theclinae: Eumaeini)." Insect Syst. Evol. 43: 35-45.
 
 Arcas  - ftp.funet.fi

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