Thoressa is a genus of skipper butterflies. They are (like some other skippers) commonly known as "aces" or "ace butterflies". The genus is endemic to Southeast Asia. Species include: \n* Thoressa aina (de Nicéville, 1889) \n* Thoressa astigmata (Swinhoe, 1890) southern spotted ace or unbranded ace \n* Thoressa baileyi (South, 1913) \n* Thoressa blanchardii (Mabille, 1876) \n* Thoressa bivitta (Oberthür, 1886) \n* Thoressa cerata (Hewitson, 1876) \n* Thoressa cuneomaculata (Murayama, 1995) \n* Thoressa decorata (Moore, 1881) decorated ace \n* Thoressa evershedi (Evans, 1910) Evershed's ace \n* Thoressa fusca (Elwes, [1893]) \n* Thoressa gupta de Nicéville, 1886 \n* Thoressa hishikawai (Yoshino, 2003) \n* Thoressa honorei (de Nicéville, 1887) Madras ace \n* Thoressa horishama (Matsumura, 1