Strymon istapa clarionica (Vázquez, 1958);  Comments: Clarion Island; Relationship to S. i. clenchi requires study TL: Mexico (Col).

Strymon istapa clarionica HOLOTYPE ♂ MEX: COL: Revillagigedo Island Group: Clarion Island, 7-8-V-1955 LEP-TIP-0021