Hypostrymon is a Nearctic and Neotropical genus of butterflies in the family Lycaenidae."Hypostrymon Clench, 1961" at Markku Savela's Lepidoptera and Some Other Life Forms
Species Hypostrymon critola (Hewitson, 1874) – Sonoran hairstreak Hypostrymon renidens (Draudt, 1920) Hypostrymon aepeona (Draudt, 1920) Hypostrymon asa (Hewitson, 1868)
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