Spialia sertorius (Hoffmannsegg, 1804)
red underwing skipper
Young larvae make a tiny blotch; soon they live among spun leaves.
Rosaceae, monophagous (?)
Young larvae in July (de Wilde, 1991a).
BE recorded (Phegea, 2010).
NE recorded waargenomen (Kuchlein & de Vos, 1999a)l extinct.
LUX recorded (Fauna Europaea, 2010).
distribution within Europe
From Germany and Poland to the Iberian Peninsula and Italy, and from France to Hungary (Fauna Europaea, 2010).
egg, larva, pupa
The mining larva is yolk-yellow; in the free living stage, full fed, the caterpillar is dull blackish brown with three interrupted yellow length lines and has numerous long erect hairs. Pictures on Lepiforum
Hesperia sao (Hübner, 1803).
Bink (1992a), Dupont, Luquet, Demerges & Drouet (2013a), Hering (1957a, 1964a), Kuchlein & Donner (1993a), Kuchlein & de Vos (1999a), Lepiforum (2021), Maček (1999a), Skala (1948a), Szőcs (1977a), Tax (1989a), Vegliante & Zilli (2007a), de Wilde (1991a).