Spialia therapne, the Corsican red-underwing skipper, is a butterfly in the family Hesperiidae. It is found on the Mediterranean islands of Corsica and Sardinia.Fauna Europaea
The wingspan is 19–21 mm. The underside of hindwing is brick-red, with a white macular band, of which the discocellular spot is proximally neither dentate nor prolonged. On the underside the spots and fringes are yellowish red.Adalbert Seitz Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 1: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen Tagfalter, 1909, 379 Seiten, mit 89 kolorierten Tafeln (3470 Figuren) Adults are on wing from April to September in multiple generations per year.Schmetterlinge und ihre Ökologie
The larvae feed on Sanguisorba minor. They make a shelter of spun leaves.
References